# The Missing Conversation: Peer-to-Peer Communication for Children Who Use AAC **Deep Research Report -- March 30, 2026** **Domain: AAC, Developmental Psychology, Inclusive Education** --- ## Executive Summary Almost everything in AAC design assumes an adult communication partner -- a parent prompting, a therapist modeling, a teacher structuring. But the communication that matters most for child development is *peer communication*: the messy, fast, spontaneous, imaginative exchanges between children on playgrounds, in living rooms, at daycare. This report synthesizes research across AAC intervention science, developmental psychology, inclusive education, and human-computer interaction to map the current state of peer communication for children who use AAC, identify the specific design failures that prevent it, and propose evidence-based innovations for QuickChat AAC. The findings are stark: children who use AAC are socially isolated at rates far exceeding their non-disabled peers, existing AAC tools are fundamentally designed for adult-mediated communication, and the vocabulary and interaction speed required for peer play is almost entirely absent from current systems. This represents both the biggest unmet need in AAC and the largest design opportunity. --- ## 1. Current State of Peer Interaction with AAC ### What the Research Shows The research on peer interaction for children who use AAC paints a consistent and troubling picture. Clarke and Kirton (2003) conducted foundational research analyzing interactions between 12 children with physical disabilities using AAC and their speaking peers in school. Their findings established what subsequent research has confirmed: - **Interactions are asymmetric.** Children using AAC take a *respondent* role, answering questions rather than initiating conversation. Speaking peers dominate the interaction, controlling topic, pace, and turn structure. - **AAC users are limited to yes/no responses.** Children using AAC "frequently depend on answering closed (yes/no) questions, take fewer turns in communicative interactions than their speaking fellow students, and participate in activities that require few communicative interactions" (Clarke & Kirton, 2003). - **Interactions differ fundamentally from peer-to-peer speech.** The pacing, structure, and content of AAC-mediated interactions bear little resemblance to the rapid, overlapping, topic-shifting conversations between speaking children. A systematic review by Chung et al. (2012) examining interventions to promote peer interactions for children who use aided AAC found that "all 19 studies reported positive effects on interactions with peers, though the results varied in degree." Three studies met standards for conclusive evidence. This is encouraging but reveals how thin the evidence base is -- and that most interventions are short-term studies, not sustained real-world implementations. ### The Communication Rate Chasm The most fundamental barrier is speed. Research consistently shows: - **Typical speech:** approximately 135 words per minute - **AAC communication:** approximately 3-20 words per minute (depending on input method) This is not a minor inconvenience -- it is a 10-45x speed differential. For adult communication partners, this can be managed with patience and training. For a 4-year-old peer who wants to negotiate who gets to be the monster in a chase game, this speed gap is functionally a conversation-killer. By the time the AAC user has navigated to "I want to be," the game has moved on. As research on bridging the communication rate gap notes: "If rushed, an AAC user might shorten their thoughts into a word or two, and if the communication partner jumps in and makes assumptions instead of waiting for clarification, miscommunication can happen, which might lead the person using AAC to retreat, disengage, and remove themselves from future conversation" (Springer, 2024). ### Frequency and Quality of Peer Interactions Research consistently shows that children who use AAC have: - Fewer spontaneous peer interactions per day - Shorter interactions when they do occur - Less reciprocal turn-taking within interactions - Lower rates of initiation (they respond more than they start conversations) - More interactions mediated by adults than directly peer-to-peer The quality gap is particularly stark during unstructured time -- recess, free play, transitions -- precisely the moments when typically developing children do most of their social bonding. **Sources:** - [Clarke & Kirton (2003) -- Patterns of interaction between children with physical disabilities using AAC and their peers](https://journals.sagepub.com/doi/10.1191/0265659003ct248oa) - [Chung et al. (2012) -- Systematic Review of Effects of Interventions to Promote Peer Interactions](https://pubmed.ncbi.nlm.nih.gov/26903484/) - [Bridging the Communication Rate Gap (Springer, 2024)](https://link.springer.com/chapter/10.1007/978-3-031-48041-6_29) - [ASHA -- Why Give People Who Use AAC More Communication Time](https://leader.pubs.asha.org/do/10.1044/2020-1016-aac-awareness/full/) ### Design Implications for QuickChat AAC 1. **Speed is the design constraint, not vocabulary.** The app must minimize taps-to-utterance for the most common peer interaction phrases. One-tap access to "my turn," "let's play," "watch me," "come here," "you be the [X]" is not a convenience feature -- it is the difference between participation and isolation. 2. **Pre-constructed peer phrases need a dedicated surface.** Current AAC apps bury social phrases in menus designed for requesting objects from adults. Peer communication phrases need to be *at least* as accessible as "I want [food item]." 3. **The app must support initiation, not just response.** If the UI makes it easy to answer yes/no but hard to start a conversation, it replicates the asymmetry the research documents. Design for the child who wants to say "let's play pirates" -- not just the child who answers "yes" when asked "do you want to play?" 4. **Context-switching must be instant.** Children move between activities in seconds. If switching from "classroom" vocabulary to "playground" vocabulary takes more than one gesture, the app will not be used during transitions. --- ## 2. Social Isolation and AAC ### The Scope of the Problem Social isolation is not a side effect of using AAC -- it is a systemic outcome of how communication systems, educational environments, and social structures are designed. Research paints a grim picture: **Blasko (2025)**, writing in *Augmentative and Alternative Communication* as a 22-year-old autistic AAC user and university student, identified four systemic barriers that create isolation beyond the risks posed by communication disability alone: 1. **Simplified communication systems** -- AAC tools that limit expression to basic needs rather than supporting the full range of social communication 2. **Overly restrictive privacy policies** -- institutional rules that prevent AAC users from accessing social media, messaging, and other communication channels available to peers 3. **Lack of access to collective support and problem-solving** -- isolation from peer AAC user communities where shared strategies and emotional support could be exchanged 4. **Prioritization of independence over interdependence** -- rehabilitation frameworks that focus on individual task completion rather than relationship-building and mutual support This critique is significant because it comes from within the AAC user community and challenges the fundamental orientation of AAC design: that the goal is to help individuals communicate their needs to caregivers, rather than to participate in the social fabric of human relationship. ### Friendship Formation Biggs and Snodgrass (2020) investigated how elementary-age children without disabilities experienced friendship with peers who have complex communication needs. Using grounded theory methodology with 16 children, they found: - Children *wanted* to be friends with their AAC-using peers, but the *mechanics of friendship maintenance* were difficult - Friendships were shaped by how children "experienced, talked about, and made meaning of their friend's disability" - Children with CCN emphasized "gestures and body movements more than aided AAC" when communicating with friends, suggesting current AAC tools are too slow or cumbersome for the informal, rapid communication that friendship requires **Finke et al. (2025)** conducted the first comprehensive scoping review specifically on friendship and AAC, reviewing 46 papers across the lifespan. Key findings: - People who use AAC seek friendships based on similarity: "people who share personality traits, past experiences (including experiencing disability), interests, and activities" - Friendship requires "creative solutions to increase the independence of disabled children and adults to meet and engage with new people" - Seven themes emerged: how friendship is defined, supports for formation and maintenance, help and care, positive outcomes, barriers, impact of AAC, and recommendations ### The Mental Health Dimension A scoping review by PMC (2020) on social isolation and loneliness in children with neurodevelopmental disabilities found that "loneliness among children with neurodevelopmental disabilities was associated with negative consequences on mental health, behavior, and psychosocial/emotional development, with a likely long-term impact in adulthood." Research on adolescents with disabilities in inclusive settings found they "experienced significantly more loneliness than their typically developing classmates, had significantly poorer friendship quality in companionship and helpfulness, and had significantly lower social network status" (Locke et al., 2010). **Sources:** - [Blasko (2025) -- Unveiling underlying systemic isolation challenges for AAC users](https://www.tandfonline.com/doi/full/10.1080/07434618.2025.2515279) - [Biggs & Snodgrass (2020) -- Children's Perspectives on Relationships with Friends With and Without CCN](https://journals.sagepub.com/doi/abs/10.1177/1540796919901271) - [Finke et al. (2025) -- Scoping Review of Friendship and AAC](https://pubs.asha.org/doi/10.1044/2024_AJSLP-24-00251) - [Social Isolation and Loneliness in Children with Neurodevelopmental Disabilities (PMC, 2020)](https://pmc.ncbi.nlm.nih.gov/articles/PMC7693393/) - [Locke et al. (2010) -- Loneliness, friendship quality and social networks](https://nasenjournals.onlinelibrary.wiley.com/doi/abs/10.1111/j.1471-3802.2010.01148.x) ### Design Implications for QuickChat AAC 1. **Design for interdependence, not just independence.** Blasko's critique is directly actionable: the app should support *social connection* as a primary goal, not just functional communication. Features that help children connect with peers -- shared activities, collaborative play modes, social phrase libraries -- should be first-class citizens in the UI. 2. **Support friendship maintenance, not just initiation.** Current AAC tools focus on first-contact communication (requesting, greeting). The app needs vocabulary and interaction patterns for *ongoing* relationships: inside jokes, shared references, play continuations from previous sessions. 3. **Include AAC-user-to-AAC-user communication.** Finke et al.'s finding that AAC users seek friends who share their experiences suggests the app should support scenarios where two AAC users communicate with each other, not just AAC user to speaking peer. 4. **Normalize the device.** Every design choice that makes the app look like a "medical device" increases social stigma. Every choice that makes it look like a cool app that kids *want* to use reduces it. This is not cosmetic -- it directly impacts friendship formation. --- ## 3. Peer Training and Modeling ### What Works The most extensively studied approach to improving peer interaction for AAC users is training the *peers*, not just the AAC user. The evidence is strong that brief, structured training produces measurable improvements. **Stay-Play-Talk (SPT)** is the most widely studied peer-mediated intervention for young children. Originally developed by English, Goldstein, Shafer, and Kaczmarek (1997), it teaches peers three simple strategies: 1. **Stay** -- Sit close and follow your buddy's movements 2. **Play** -- Share and take turns with toys and materials 3. **Talk** -- Use words AND the AAC system to communicate A systematic review and meta-analysis by Ledford and Pustejovsky (2023) found that SPT interventions showed strong positive effects on social behaviors, with 89% (8 of 9) of peer-mediated interventions demonstrating large effect sizes. **Thiemann-Bourque et al. (2016)** adapted SPT for AAC specifically, training typically developing peers to use PECS (Picture Exchange Communication System) and speech-generating devices with minimally verbal preschoolers with autism. Results were dramatic: - **PECS study:** Peer-directed communication increased from 0.1 acts per session at baseline to 5.4 acts per 6-minute activity. Peers' communication increased from 0.2 to 7.4 acts per session. - **SGD study (GoTalk):** Spontaneous communication went from 0 per session to 6.3 per session. GoTalk requests went from 0 to 5.5 per session. Peer communication increased from 0 to 11 acts per session. Training was brief: 3-5 sessions totaling 2-3 hours, including "sensitization to AAC systems, adult modeling, role-play, and reinforcement." **"Ways to Talk and Play" (2025)** is a newer framework studied at Vanderbilt University, teaching peers three responsive interaction strategies: 1. **Play-Talk-Give** -- Model a play action, talk about it (with speech AND AAC), and offer the toy to a peer 2. **Copy-Talk** -- Imitate a peer's play and comment on it (using speech and AAC) 3. **Respond** -- Notice and respond to any communication attempt (using speech and AAC) Results from a study with minimally speaking autistic students showed that "all four peers demonstrated increased use of the responsive interaction strategies during intervention phases, and interactions became more balanced and reciprocal." Critically, the intervention created *equal-status relationships* rather than helper dynamics. A participating peer observed: "It helps them learn...teaches kids without disabilities how to play in different ways and how to play with people who play different than them." ### What Trained Peers Do Differently Research consistently shows that trained peers: - **Wait longer** after speaking, giving the AAC user time to respond (rather than filling silence) - **Direct communication to the AAC user**, not to nearby adults - **Recognize and respond to non-symbolic communication** (gestures, eye gaze, vocalizations) rather than ignoring it - **Model AAC use themselves**, picking up the device and using it to communicate - **Initiate with AAC-friendly topics** -- shared activities, visible objects, immediate events rather than abstract or past-tense topics ### The Adult Paradox A critical finding from research on paraeducator roles (PMC, 2022) is that adult support can *help or hinder* peer interaction: **How adults help:** - Modeling positive, inclusive attitudes - Facilitating cooperative, equal-status interactions - Training peers on communication strategies - Positioning themselves to support without creating barriers **How adults hinder:** - Close physical proximity acts as a barrier, preventing peer communication - Speaking to the adult rather than redirecting to the AAC user - Removing children from inclusive settings for one-on-one instruction - Unintentionally increasing social isolation without realizing it Research recommends that adults "fade" their support as peer competence grows, deliberately stepping back to allow genuine peer-to-peer interaction. **Sources:** - [Thiemann-Bourque et al. -- Peer-Mediated AAC Instruction (PMC)](https://pmc.ncbi.nlm.nih.gov/articles/PMC3878449/) - [Ledford & Pustejovsky (2023) -- Meta-Analysis of Stay-Play-Talk](https://journals.sagepub.com/doi/10.1177/1098300720983521) - [Severini et al. (2019) -- Implementing Stay-Play-Talk With Children Who Use AAC](https://journals.sagepub.com/doi/10.1177/0271121418776091) - [Teaching Peers Responsive Interaction Strategies (Vanderbilt, 2025)](https://notables.vkcsites.org/2025/07/teaching-peers-to-support-communication-new-research-on-aac-and-responsive-interaction-strategies/) - [Supporting Peer Interactions -- Paraeducator Roles (PMC, 2022)](https://pmc.ncbi.nlm.nih.gov/articles/PMC9201695/) - [TIES Practice Guide -- Supporting Peer Interaction for Students Who Use AAC](https://publications.ici.umn.edu/ties/peer-engagement/practice-guides/peer-interaction-aac) ### Design Implications for QuickChat AAC 1. **Build peer training into the app itself.** The evidence is clear that brief training transforms peer behavior. The app could include a "Play Together" onboarding mode that teaches a speaking peer how to use the device alongside the AAC user -- gamified, 5-minute, kid-friendly. 2. **Support aided language modeling by peers.** If the peer picks up the device and uses it to say something, this is *the* most effective modeling strategy. The app should make this feel natural and fun, not like they're "using someone else's medical equipment." 3. **Design for adult fadeout.** The interaction pattern should not require an adult to mediate every exchange. Pre-programmed phrase banks, visual prompts, and turn-taking indicators can scaffold peer interaction without requiring an adult's presence. 4. **Make "Wait" visible.** A subtle animation or indicator showing "I'm composing a message" could teach peers to wait without explicit instruction. This mirrors typing indicators in messaging apps -- a design pattern children already understand. --- ## 4. Play-Based Communication ### How 2-5 Year Olds Actually Communicate During Play The communication that happens during child play is fundamentally different from the structured, adult-directed communication that AAC systems are designed to support. Understanding these differences is critical for designing an AAC system that works in play contexts. #### Parten's Stages of Play and Communication Mildred Parten (1932) identified six stages of play, each with distinct communication characteristics: | Stage | Age Range | Communication Characteristics | |-------|-----------|------------------------------| | **Unoccupied** | 0-2 | No directed communication | | **Solitary** | 0-2+ | Self-talk, narration of own actions | | **Onlooker** | 2+ | Observational comments, questions about others' play | | **Parallel** | 2-3+ | Minimal direct interaction; side-by-side commentary | | **Associative** | 3-4+ | Emerging chatter: sharing, asking questions, commenting on shared activity | | **Cooperative** | 4-5+ | Negotiating roles, directing others, planning, compromising | The critical transition is from parallel to associative play (around age 3-4), where children begin *talking to each other about a shared activity* but without organized roles. This is precisely the age range where AAC intervention begins, and precisely the communication type that current AAC tools fail to support. #### Pragmatic Functions in Peer Play Research on pragmatic language development identifies the specific communication functions children use during play: 1. **Requesting** -- "Give me that," "I want the red one," "Can I have a turn?" 2. **Protesting** -- "No!" "Stop it!" "That's mine!" "I don't want to!" 3. **Directing** -- "Put it here," "You go there," "Do it like this" 4. **Narrating** -- "I'm making a tower," "Look, the car is going fast" 5. **Imagining** -- "Pretend this is a spaceship," "You be the baby and I'm the mom" 6. **Negotiating** -- "I'll be the doctor first, then you," "Let's play something else" 7. **Commenting** -- "That's cool," "Uh oh, it fell," "Yucky!" 8. **Greeting/Social** -- "Hi," "Come play with me," "Watch this" 9. **Humor** -- Silly sounds, nonsense words, absurd scenarios, physical comedy narration 10. **Conflict resolution** -- "That's not fair," "You already had a turn," "Let's share" #### Pretend Play: The Communication Apex Pretend play (emerging around age 2, flourishing by age 4) is the most communication-intensive form of play. Research shows children in pretend play must: - **Propose scenarios** -- "Let's play house" / "Pretend we're at the store" - **Assign and negotiate roles** -- "You be the monster" / "I want to be the princess" - **Establish rules within the fiction** -- "The floor is lava" / "This pillow is the boat" - **Manage the fiction/reality boundary** -- Step out to correct ("No, you're supposed to chase me") and step back in - **Modify scripts in real-time** -- "Actually, let's say the dinosaur is friendly" This requires metalinguistic sophistication that current AAC systems do not support at all. There is no button for "pretend this is" or "you be the" or "let's say that..." #### How Play Communication Differs from Adult-Directed Communication | Feature | Adult-Child Communication | Peer Play Communication | |---------|--------------------------|------------------------| | **Pace** | Slow, turn-by-turn | Rapid, overlapping | | **Topic control** | Adult-led | Shared/negotiated | | **Vocabulary** | Standard, predictable | Creative, context-dependent, silly | | **Sentence structure** | Complete sentences encouraged | Fragments, exclamations, sound effects | | **Pragmatic function** | Requesting, labeling, answering | Directing, imagining, protesting, narrating | | **Error tolerance** | Low (adults correct) | High (peers adapt or ignore) | | **Emotional range** | Regulated | Full spectrum: excitement, frustration, silliness | | **Sound effects** | Rare | Constant: "Pew pew!" "Vroom!" "Rarrr!" | **Sources:** - [Parten's Stages of Play (Community Playthings)](https://www.communityplaythings.co.uk/learning-library/articles/mildred-parten-and-her-six-stages-of-play) - [Communication Play Protocol (PMC)](https://pmc.ncbi.nlm.nih.gov/articles/PMC5426111/) - [Pretend Play and Social Competence Meta-Analysis (Springer, 2024)](https://link.springer.com/article/10.1007/s10648-024-09884-z) - [Pragmatic Language Development (PMC)](https://pmc.ncbi.nlm.nih.gov/articles/PMC9497940/) - [Pragmatics in Preschoolers (Kid Sense)](https://childdevelopment.com.au/play-and-social-skills/social-communication-pragmatics/) ### Design Implications for QuickChat AAC 1. **Add sound effects as first-class vocabulary.** "Pew pew," "vroom," "rarrr," "boom," "splash," "mwahahaha" are not frivolous -- they are the currency of pretend play. A dedicated sound effects panel with one-tap access could dramatically increase play participation. Research on GPT-4V vocabulary generation found that humans generated 2.2x more sound effects than AI, suggesting these are a critical human communication element that gets overlooked. 2. **Build a "pretend play" vocabulary mode.** This needs: role assignment ("you be the..."), scene setting ("pretend this is..."), script management ("now let's say..."), and fiction/reality switching ("wait, actually..."). 3. **Support fragments and exclamations.** The app should not force complete sentences for play communication. Quick-fire single words and exclamations ("No!" "Mine!" "Whee!" "Ew!" "Cool!") need one-tap access. 4. **Design for emotional expression.** Play involves the full emotional range. The app needs quick access to expressing excitement, frustration, silliness, surprise, and displeasure -- not just calm, structured requesting. 5. **Match the pace of play.** If the app requires more than 2-3 taps for a common play phrase, it will be abandoned during play. The sentence template engine should pre-build play-specific templates: "[role] + go + [location]," "pretend + [object] + is + [imagined thing]." --- ## 5. Shared Device Interaction ### Can Two Children Use the Same AAC App? This is an underexplored area in AAC research, but related fields provide useful evidence. #### Research on Collaborative Tablet Use A study by Yuill and colleagues (2020), "Tablet for Two: How do Children Collaborate Around Single Player Tablet Games?" examined how pairs of children (ages 9-11) collaborated when sharing a single tablet. Key findings: - Children *naturally* collaborate around single-user devices even when the apps are not designed for it - "When children approach the task as a co-constructed space, high quality collaborative discussion can occur" - Collaboration quality depends heavily on "joint collaborative orientation" -- the reciprocal positive attitude to work together - Tablets "change the nature of coordination leading to more turn-taking during collaborative episodes" - Asymmetry of action (one child controlling while the other watches) leads to "uncollaborative situations" #### Research on Multi-Touch Surfaces Research on children using multi-touch tabletops found: - Children used all of the surface but "took more responsibility for the parts of the design closer to their relative position" - Multi-touch capability enables simultaneous input from multiple users - Spatial positioning significantly affects participation patterns - Larger screens promote more collaborative use compared to phones, which "tend to facilitate more isolated interactions" #### Young Children's Social Interaction During Digital Play A study of 80 children ages 3-4 (PMC, 2021) in Australian childcare centers identified seven forms of social interaction during digital play, including: - Non-playing children initiating involvement (mean 3.43 times per observation) - Playing children involving others (mean 1.96 times) - Playing children ignoring others' engagement attempts (mean 2.16 times) - Playing children stopping interruptions (mean 1.26 times) The most positive engagement outcomes occurred when children both initiated social interaction and involved others -- cooperative behaviors around the device correlated with higher satisfaction, energy, and engagement. #### iPad AAC and Peer Turn-Taking Research specifically on using iPads with AAC apps and visual scene displays found that "dyadic turn-taking training on communicative turns between preschool children with complex communication needs and peers without disabilities" could increase peer interaction when the AAC device itself became a shared activity object. **Sources:** - [Yuill et al. (2020) -- Tablet for Two (ScienceDirect)](https://www.sciencedirect.com/science/article/abs/pii/S1071581920301415) - [Young Children's Social Interactions During Digital Play (PMC, 2021)](https://pmc.ncbi.nlm.nih.gov/articles/PMC8520687/) - [Multi-Touch Tabletop Collaboration (ResearchGate)](https://www.researchgate.net/publication/42788243_Children_designing_together_on_a_multi-touch_tabletop_An_analysis_of_spatial_orientation_and_user_interactions) - [iPad AAC and Peer Interaction (Taylor & Francis, 2016)](https://www.tandfonline.com/doi/full/10.1080/07434618.2016.1205133) - [Touchscreen Impact on Children's Social Development (PMC)](https://pmc.ncbi.nlm.nih.gov/articles/PMC12557575/) ### Design Implications for QuickChat AAC 1. **Consider a "Play Together" split-screen mode.** Two children could each have a side of the iPad with quick-phrase buttons visible to both. The speaking child taps a phrase (learning to use AAC), and the AAC-using child taps their response. This makes the interaction symmetric and turns the device into a shared play object. 2. **The AAC device as a game.** When the device becomes part of the play activity (not just a tool to talk *about* the activity), it gets used more. Interactive story-building, collaborative scene creation, or shared pretend play scenarios on the device could increase engagement. 3. **Design for spatial positioning.** The app should work well when two children are sitting side-by-side looking at the same screen. Buttons should be reachable from both sides. Consider a "flip for friend" feature where the screen rotates to face the peer temporarily. 4. **Avoid asymmetry of control.** If one child is the "user" and the other is the "audience," collaborative orientation breaks down. Both children should have meaningful things to tap and interact with. --- ## 6. Playground Communication ### What Kids Need to Say on the Playground Playground communication is fast, loud, physical, and emotionally intense. It happens at a distance (shouting across the playground), in motion (running while talking), and in the context of rapidly evolving social dynamics. It is, in short, everything that current AAC systems are bad at. #### The Vocabulary Gap Playground communication boards (PRC-Saltillo, OARC) have attempted to address this gap with symbol-based boards mounted in playgrounds. Research-informed vocabulary lists for playground communication boards typically include approximately 78 words covering: **Action Words (Verbs):** climb, slide, swing, push, pull, jump, run, stop, chase, fall, throw, catch, kick, ride, dig, build, hide, find, spin, bounce **Social/Regulatory Words:** wait, stop, go, my turn, your turn, help, share, mine, yours, together, again, ready, watch, look, come, please, sorry, move **Play Initiation:** "Do you want to play?" "Let's go!" "Come here!" "Follow me!" "I want to play!" **Play Direction:** "You be the [role]," "Pretend [scenario]," "Chase me!" "Push me!" "Higher!" "Faster!" "This way!" **Emotional/Reactive:** "Whee!" "Uh oh!" "Wow!" "That was fun!" "Scary!" "I'm okay!" "Ouch!" "Not fair!" **Conflict/Negotiation:** "It's my turn!" "You already went!" "That's not fair!" "Let's take turns," "I was here first" **Equipment Nouns:** swing, slide, monkey bars, sandbox, seesaw, climbing wall, tunnel, ball, bike, scooter, bubbles #### What's Missing from Current AAC Systems Critically, AAC practitioners recommend: "Watch and listen to other children when they are playing and make a list of the words that they say, especially focusing on interesting and fun things. Kids should sound like kids -- kids use different words than adults do." Current AAC systems fail playground communication in several ways: 1. **No distance communication.** Children shout across playgrounds. AAC devices produce speech at conversational volume, inaudible beyond a few feet. There is no "outdoor voice" mode. 2. **No movement-compatible interaction.** Using an AAC app requires looking at a screen and making precise taps. This is incompatible with running, climbing, and swinging. 3. **No rapid-fire phrases.** Playground communication involves one-word shouts: "Run!" "Stop!" "Here!" "Go!" These need zero-tap or one-tap access, not navigation through menus. 4. **Missing fun vocabulary.** Sound effects, silly words, teasing phrases, exclamations of excitement -- the emotional and playful vocabulary of the playground -- are largely absent. 5. **Missing conflict vocabulary.** "That's not fair," "I was first," "you're cheating" are critical for participation in playground social dynamics. Most AAC systems do not include conflict language because adults do not think to program it. **Sources:** - [AAC Language Lab -- Playground Core Communication Boards](https://aaclanguagelab.com/resources/playground-core-communication-boards) - [Playground Communication Boards (PRC-Saltillo)](https://prc-saltillo.com/blog/playground-core-communication-boards-from-prc-saltillo) - [School Playground Communication Board](https://playgroundcommunicationboards.com/product/school-playground-communication-board/) - [Playground Vocabulary for Kids (Global Speech Therapy)](https://globalspeechtherapy.com/playground-vocabulary-for-kids/) - [PrAACtical AAC -- Core Word Activities](https://praacticalaac.org/wp-content/uploads/filebase/downloads/Level-1-Week-2-Activity-Sheets.pdf) ### Design Implications for QuickChat AAC 1. **Create a "Playground Mode" with maximum-volume output and maximum-size buttons.** When activated, the app should show only 8-12 large, high-contrast buttons for the most common playground phrases, with speech output at maximum volume. Reduce precision requirements for tapping (larger hit zones) because the child may be in motion. 2. **Include a "Quick Shout" bar.** Persistent across all playground views: "Stop!" "Go!" "My turn!" "Help!" "Watch me!" "Come here!" These are the playground equivalents of the emergency vocabulary bar. 3. **Add conflict vocabulary.** This is uncomfortable for adults but essential for children. "Not fair," "I was first," "stop it," "that's mine," "you're cheating" are social currency on the playground. Omitting them disempowers the child. 4. **Consider wearable/alternative form factors for outdoor play.** An iPad is impractical on monkey bars. Explore Apple Watch companion apps, wrist-mounted quick phrases, or Bluetooth speaker pucks that let the child trigger phrases from a distance. 5. **Sound effects are playground vocabulary.** A dedicated panel of fun sounds ("whoosh," "boom," "splash," "ding ding," silly noises) would let the child participate in the sonic play that fills every playground. --- ## 7. Digital Social Interaction for Young Children ### How Young Children Interact Through Technology Research on young children's digital social behavior reveals patterns relevant to AAC design: #### Video Calling Behavior in Toddlers Children as young as 2 use video calls with family members, but the interaction patterns differ from in-person communication: - Children look at the screen to make "eye contact" but struggle with the camera/screen disconnect - Turn-taking is harder over video -- overlapping speech increases - Young children prefer showing objects to the camera over verbal exchange - Physical demonstrations ("watch me do this") are a primary communication mode This suggests that AAC communication could incorporate *visual sharing* (showing the peer what you are doing or playing with) as a communication modality alongside symbol selection. #### Digital Play and Social Initiation The Australian study of 3-4 year olds during digital play (Kamaluddin et al., 2021) found that children who initiated more social interactions during digital play performed better on cognitive flexibility tasks. The relationship between social interaction and digital engagement was bidirectional: - Children used digital play as a *social object* -- a reason to approach peers and initiate interaction - The most engaged children were those who both played and involved others - Private speech during digital play (talking to oneself about the game) occurred at a mean rate of 0.98 times per observation, suggesting even "solo" digital play has a communicative dimension #### Cooperative Digital Games Research on multiplayer games for young children shows: - Simple turn-taking games (adding to a shared story, building on each other's ideas) are most engaging for preschoolers - Games that require communication to succeed naturally scaffold social interaction - Cooperative goals produce more communication than competitive goals at this age **Sources:** - [Young Children's Social Interactions During Digital Play (PMC, 2021)](https://pmc.ncbi.nlm.nih.gov/articles/PMC8520687/) - [Toddlers Using Tablets: They Engage, Play, and Learn (Frontiers, 2021)](https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2021.564479/full) - [Touchscreen Digital Exposure and Social Development (PMC)](https://pmc.ncbi.nlm.nih.gov/articles/PMC12557575/) - [Toddler Social Interaction During Touchscreen Play (Taylor & Francis, 2024)](https://www.tandfonline.com/doi/full/10.1080/17482798.2024.2404118) ### Design Implications for QuickChat AAC 1. **Make the AAC device a social object.** If the app has interactive content that is fun and shareable (animated scenes, sound-making activities, simple games), it becomes a reason for peers to approach and interact -- not a barrier. 2. **Support "show and tell" communication.** Let children take photos of what they are doing/playing with and quickly annotate them with phrases. This mirrors the natural video-call behavior of showing objects to the camera. 3. **Consider cooperative game elements within the AAC app.** A simple collaborative activity (building a scene together, creating a story) that requires both children to participate could scaffold peer interaction while building AAC familiarity. 4. **Private speech support.** Even narrating one's own play has developmental value. A "talk to myself" mode that does not produce speech output but records/encourages self-narration could support internal language development. --- ## 8. Augmented Reality and AAC ### Current State of AR + AAC Research The intersection of augmented reality and AAC is an emerging research area with significant potential but limited direct evidence to date. #### Camera-Based Vocabulary Generation The most directly relevant research comes from Fontana de Vargas and colleagues (ACL 2021, CACM 2024), who developed a prototype application that generates "situation-specific communication boards formed by descriptive, narrative, and semantic related words and phrases inferred automatically from photographs." The system uses computer vision to identify objects and contexts in photographs, then generates relevant vocabulary displayed as pictograms that produce speech when selected. Evaluations in school and speech-language therapy settings found the approach promising but requiring human oversight. #### AI-Powered Visual Scene Displays Research by multiple teams (2024-2025) has explored using large multimodal models (GPT-4V) to automatically create communication options for visual scene displays. A study by researchers at the SIGACCESS conference found: - LMM-generated communication options "were contextually relevant and often resembled those created by humans" - Human options outperformed LMM options in *playing scenarios* while LMM options excelled for storybook reading and activity retelling - Humans generated 2.2x more sound effects and focused more on *social engagement* - AI concentrated on information transfer rather than relational communication - Concerns remained about "inadequate personalization" and "developmentally inappropriate options" #### AR for Language Learning in Children with Disabilities A systematic literature review (Taylor & Francis, 2024) on AR-enhanced language learning for children with autism found: - AR technology showed "positive outcomes in terms of learning engagement, learning interaction, and vocabulary gain" - Children demonstrated "a high level of engagement and improved their receptive vocabulary" - Marker-based AR (scanning real objects with a camera) and markerless AR (using depth cameras) both showed promise - The participatory design approach -- involving children, parents, and therapists in design -- produced better outcomes #### The Pitt and Ousley Framework (2024) Pitt and Ousley (University of Nebraska-Lincoln), writing in *Augmentative and Alternative Communication* (December 2024), proposed a framework for reimagining AAC design for children during dynamic social situations. They identified five smart device features applicable to AAC: 1. **Multimodal control** -- Multiple input methods (touch, gesture, voice activation) 2. **Animation** -- Visual movement elements to enhance engagement and comprehension 3. **Artificial intelligence** -- Context-aware vocabulary suggestion and personalization 4. **Contextual awareness** -- Devices adapting vocabulary to situation-specific needs (location, activity, time of day) 5. **Augmented reality** -- Digital overlays enhancing real-world interactions during play Their framework prioritizes "interactivity and simplicity" and explicitly focuses on *play* as the design target, arguing that integrating AAC into dynamic social interactions introduces cognitive complexity that current designs do not address. **Sources:** - [Fontana de Vargas -- AAC with Automated Vocabulary from Photographs (CACM, 2024)](https://cacm.acm.org/research-highlights/aac-with-automated-vocabulary-from-photographs-insights-from-school-and-speech-language-therapy-settings/) - [Generative AI for Just-in-Time VSD Programming (SIGACCESS, 2024)](https://arxiv.org/html/2408.11137) - [Pitt & Ousley (2024) -- Reimagining AAC Designs for Children](https://pubmed.ncbi.nlm.nih.gov/39710873/) - [AR-Enhanced Language Learning for Children with ASD (Taylor & Francis, 2024)](https://www.tandfonline.com/doi/full/10.1080/0144929X.2024.2304607) - [InterPlay: AR Application for Children with Developmental Communication Disability (Taylor & Francis, 2024)](https://www.tandfonline.com/doi/full/10.1080/17549507.2024.2361734) ### Design Implications for QuickChat AAC 1. **Camera-to-vocabulary is a near-term feature opportunity.** Point the iPad camera at a playground and surface relevant vocabulary. Point it at a toy and surface play phrases. The technology exists (object detection + LMM vocabulary generation) and research validates the approach. The human-in-the-loop concern is addressed by having SLPs curate the base vocabulary with AI suggesting additions. 2. **Contextual awareness via location/activity detection.** If the app knows the child is at the playground (GPS/location) or in the kitchen (scene recognition), it can automatically surface relevant vocabulary without manual scene switching. This directly addresses the "context-switching must be instant" requirement from Section 1. 3. **AR hotspots on real objects are a V2/V3 feature.** Pointing at the swing and seeing "push me," "higher," "my turn" appear as AR overlays is technically feasible with iPad hardware but adds complexity. Worth prototyping after core features are solid. 4. **Animation as communication.** Animated responses to button presses (a cartoon character acting out "push me" or "let's play") could make AAC output more engaging for both the user and the peer, making the device feel more like a game and less like a clinical tool. --- ## 9. Social Skills and AAC ### Can AAC Tools Explicitly Teach Social Skills? AAC devices are primarily designed as *communication tools*, but there is growing evidence and clinical practice supporting their use as *social skills teaching tools*. #### Turn-Taking Turn-taking is foundational to both communication and play. Research shows: - Structured games (kicking a ball, board games) provide practice for "waiting for their turn, which reinforces patience and helps children learn to navigate shared activities" - AAC systems can embed turn-taking prompts ("Your turn!" / "My turn!" with visual indicators) - Visual timers and sequence indicators within AAC apps can make turn-taking concrete and predictable #### Social Stories Through AAC Social stories -- short narratives explaining social situations and expected behaviors -- have strong evidence for children with autism and are increasingly delivered through AAC systems: - Social stories about AAC device use help children understand rules and expectations - They can include built-in communication boards for practicing modeled AAC skills - Visual learners and students with limited reading ability benefit from symbol-supported social stories - Personalization to the individual child's situations and using the child's own AAC symbols increases effectiveness #### Conflict Resolution Conflict is a normal and necessary part of peer interaction. Children need vocabulary and scripts for: - Expressing displeasure ("I don't like that," "Stop it") - Asserting rights ("It's my turn," "I was first") - Negotiating ("Let's take turns," "You can go next") - Seeking help ("Tell the teacher," "I need help") - Repairing relationships ("Sorry," "Are you okay?" "Let's play something else") Current AAC systems typically include "sorry" and "help" but rarely include the full conflict vocabulary children need. This is a design gap driven by adult discomfort with conflict language, not by children's actual needs. #### Empathy and Emotional Awareness AAC tools can support empathy development through: - Emotion vocabulary with visual supports (going beyond basic happy/sad/mad to include frustrated, excited, worried, embarrassed, proud) - Perspective-taking phrases ("Are you okay?" "What's wrong?" "Do you want to play with me?") - Role-playing support through pretend play vocabulary #### Cooperative Play Skills The TIES practice guide (University of Minnesota) identifies four competencies for AAC users in social interaction: 1. **Linguistic competence** -- Planning messages 2. **Operational competence** -- Navigating the AAC system efficiently 3. **Social competence** -- Recognizing communication expectations in different contexts 4. **Strategic competence** -- Adapting when misunderstood Current AAC training focuses almost exclusively on #1 and #2. Social competence (#3) and strategic competence (#4) are rarely explicitly addressed in AAC system design. **Sources:** - [Avaz -- Social Interactions and AAC](https://avazapp.com/blog/social-interactions-aac/) - [Free Social Stories About Using an AAC Device](https://www.andnextcomesl.com/2023/01/free-social-stories-about-using-an-aac-device.html) - [TIES Practice Guide -- Peer Interaction and AAC](https://publications.ici.umn.edu/ties/peer-engagement/practice-guides/peer-interaction-aac) - [Strategies for Teaching Turn-Taking and Sharing](https://www.mastermindbehavior.com/post/strategies-for-teaching-turn-taking-and-sharing) - [ABA Therapy for Enhancing Social Skills](https://www.inclusiveaba.com/blog/aba-therapy-for-enhancing-social-skills) ### Design Implications for QuickChat AAC 1. **Embed social skills teaching into interaction patterns.** The app could use visual turn-taking indicators ("Wait for your friend..." / "Now it's your turn to say something!") that naturally teach turn-taking rhythm. This is not a separate "social skills" module -- it is integrated into the core communication flow. 2. **Include conflict vocabulary without apology.** "Not fair," "stop it," "I don't like that," "you're being mean," "I need space" are social necessities. Include them and educate parents/therapists about why they matter. Self-advocacy starts with being able to say "no." 3. **Build social story templates.** Pre-built social stories about common scenarios (joining a game, sharing toys, handling disagreement, making a new friend) that use the app's own symbols would double as communication practice and social skills instruction. 4. **Support strategic competence.** When communication breaks down, the child needs repair strategies: "I'm trying to say something," "Wait, let me try again," "Look at my screen," "I mean THIS." These meta-communication phrases should be accessible from any screen. --- ## 10. Sibling Communication ### The Most Important (and Most Neglected) Communication Partners Siblings are often the most frequent communication partners for young children who use AAC, yet they are almost entirely absent from AAC research and training. #### What Research Exists A study from the University of Kansas (KU ScholarWorks) represents one of the few direct examinations of sibling communication and AAC. The study trained two typically developing siblings to use three communication strategies with their sibling who uses AAC: 1. **Aided AAC modeling** -- Demonstrating communication on the AAC system 2. **Pause time** -- Waiting for the AAC user to respond 3. **Prompting** -- Encouraging communication attempts Results were mixed: "for one sibling the treatment was very effective, while for the other sibling the treatment effectiveness was questionable." This mirrors the broader finding that training programs designed for adults or trained peers do not simply transfer to the more informal, emotionally complex sibling relationship. #### Sibling Dynamics Are Unique Research on sibling-mediated interventions for children with autism (not AAC-specific) reveals dynamics that differ from both adult-child and peer interactions: - **Mutual benefit:** Both neurotypical siblings and siblings with ASD show gains -- children with ASD improve in social-communication and play skills and show decreased problem behaviors; neurotypical siblings report "an increase in confidence and pleasure in interaction" and "a decrease in sibling frustration" - **Emotional complexity:** Sibling relationships involve competition, affection, jealousy, protectiveness, teasing, and loyalty -- a wider emotional range than therapist-client or teacher-student relationships - **Natural context:** Sibling interaction happens at home, in unstructured time, without professional oversight -- exactly the context where AAC use often drops off - **High frequency, low structure:** Siblings interact constantly throughout the day in short bursts, not in scheduled sessions #### Family System Barriers Parents describe challenges integrating AAC into family life: - Lack of time for AAC practice when managing multiple children - Tension between the AAC user's communication needs and other children's needs - Siblings feeling frustrated or excluded when they cannot communicate easily - Extended family members lacking AAC understanding - The most effective AAC implementation occurs "in the home with as many family members as possible present" As ASHA notes: "Family members, including parents, siblings, and often even grandparents, are most frequently the key players in determining successful outcomes for AAC implementation with children." **Sources:** - [KU ScholarWorks -- Sibling Communication and AAC](https://kuscholarworks.ku.edu/handle/1808/11722) - [ASHA -- Supporting Families of Children Who Use AAC](https://leader.pubs.asha.org/doi/10.1044/leader.FTR1.12102007.17) - [Avaz -- How Siblings Can Be Part of Communication Intervention](https://avazapp.com/blog/siblings-can-engage-using-aac/) - [Communication Matrix -- Videos of Siblings Using AAC](https://communicationmatrix.org/Community/Posts/Content/8587) - [Sibling-Mediated Interventions for Children with Autism (Digital Showcase)](https://digitalshowcase.lynchburg.edu/cgi/viewcontent.cgi?article=1106&context=lc-journal-of-special-education) - [Parents' Perceptions of AAC Use (PMC, 2022)](https://pmc.ncbi.nlm.nih.gov/articles/PMC9266194/) ### Design Implications for QuickChat AAC 1. **Design a sibling onboarding experience.** A fun, game-like "Learn to Talk with [Child's Name]" tutorial specifically for siblings ages 4-10. Keep it under 5 minutes, make it feel like a game, teach the three key strategies (model, wait, encourage) through interactive practice. This fills a gap that *no AAC app currently addresses.* 2. **Support the emotional range of sibling communication.** Siblings tease each other. They argue. They make up. They have inside jokes. The vocabulary set needs to accommodate this -- not just polite requesting but the full spectrum of sibling interaction: "Stop copying me," "That's gross," "You're silly," "Best sister/brother." 3. **Enable "family practice" mode.** A mode where multiple family members can participate in structured AAC activities together -- not just the AAC user and one partner. Family game night, cooking together, story time with the whole family. 4. **Keep it accessible without training.** Siblings will pick up the device without reading a manual. The app must be intuitive enough that a 5-year-old sibling can tap a button and understand what happened. Complex navigation or hidden menus will prevent sibling use. 5. **Night-time/bedtime vocabulary.** Sibling interaction often intensifies at bedtime -- shared rooms, bedtime stories, fears of the dark. Include vocabulary for this context: "read to me," "I'm scared," "goodnight," "one more story," "turn off the light." --- ## Synthesis: The Peer Communication Design Framework Across all ten research areas, several meta-themes emerge that should guide QuickChat AAC design: ### 1. Speed Over Completeness Every millisecond saved in message construction matters more for peer communication than having comprehensive vocabulary. The 135 WPM vs. 10 WPM gap is the master constraint. Design every interaction to minimize taps, minimize navigation, and maximize message-per-second throughput for the most common peer phrases. ### 2. Social Vocabulary is Primary, Not Secondary Current AAC systems treat social vocabulary (greetings, play phrases, emotional expressions) as secondary to functional vocabulary (requesting food, indicating needs). For peer communication, the hierarchy must be reversed. "Let's play" is more important than "I want juice" for a child's social development. ### 3. The Device Must Be Cool, Not Clinical Every research finding on friendship, social isolation, and peer perception points to the same conclusion: if the device looks and feels like medical equipment, it creates social distance. If it looks and feels like a fun app that peers *want* to interact with, it becomes a social bridge. This is not about aesthetics -- it is about inclusion outcomes. ### 4. Design for the Dyad, Not the Individual AAC research and design overwhelmingly focuses on the individual user. But communication is inherently dyadic (or multi-party). The app should be designed for *two children* interacting, not one child operating a device while another watches. Shared interactions, peer-accessible interfaces, and collaborative activities should be core features. ### 5. Adults Should Fade, Not Mediate The paraeducator research is clear: adult presence can inhibit peer interaction as much as it supports it. The app should scaffold peer interaction *without requiring adult mediation* for every exchange. Pre-built phrases, visual prompts, turn-taking indicators, and peer onboarding all serve this goal. ### 6. Fun is Functional Sound effects, silly voices, animated responses, game elements, pretend play vocabulary -- these are not nice-to-have features layered on top of a clinical tool. They are the functional requirements for a communication system that works during play, the context where children develop the social skills they need for life. ### 7. Context-Awareness is the Next Frontier The combination of object recognition, location services, AI-powered vocabulary suggestion, and visual scene displays points toward AAC systems that automatically adapt to the child's current context. This is the single most impactful technical innovation on the horizon for addressing the speed barrier -- if the app already knows the child is at the playground and surfaces the right vocabulary, half the navigation problem disappears. --- ## Research Gaps and Future Directions This review identified several significant gaps in the existing research: 1. **No studies on AAC-to-AAC peer communication.** What happens when two AAC users try to communicate with each other? This scenario is under-researched but clinically important. 2. **Almost no research on sibling AAC training.** Despite siblings being the most frequent communication partners, the evidence base is essentially two studies. 3. **No research on AAC during pretend play specifically.** The communication functions of pretend play (role assignment, fiction management, script modification) have not been studied in AAC contexts. 4. **Limited research on shared device interaction for AAC.** The collaborative tablet literature exists for educational apps but has not been applied to AAC design. 5. **No longitudinal studies on peer training effects.** Most studies measure outcomes over weeks. Whether peer training produces lasting changes in social behavior over months or years is unknown. 6. **AR + AAC is entirely theoretical for children.** The Pitt and Ousley framework is promising but untested. No empirical studies have evaluated AR-enhanced AAC with child users. 7. **Missing data on what children actually say to each other during play.** Corpus studies of child-to-child speech during free play at different ages would directly inform AAC vocabulary selection but are surprisingly rare.