Supporting a Preschooler’s AAC Use: A Practical Guide for SLPs

Start with access and a useful message

A preschooler who uses an AAC device inconsistently needs an individual assessment of communication and access. Keep the child's communication system available, respond to gestures and other messages, and ask an AAC-experienced speech-language pathologist to help identify barriers. AAC has no prerequisites: difficulty pointing or attending calls for adapted access, not exclusion from communication support. ASHA's AAC guidance explains assessment and access options.

This guide replaces our earlier instructions to reserve food for device requests and use routine hand-over-hand prompting. Don't withhold food, drink, comfort or communication access to obtain a button press. Stop a teaching attempt if the child shows distress or withdraws. Meet their immediate needs and review the plan with the treating professional. For immediate danger or a medical emergency, seek local emergency help.

The aim is communication the child can use, including asking for help, refusing and sharing an interest. A response through a gesture, picture or another available mode deserves attention too. The activities below are planning suggestions for an SLP and family, not a treatment prescription or a promised timetable.

Make the next interaction easier

Check the whole interaction

Watch a familiar routine with the family. Note what the child communicates, how partners respond and where access becomes difficult. Check positioning, device availability and vocabulary with the SLP. Bring motor, vision or hearing concerns to the appropriate professional. Record an observation before choosing a teaching target.

Model a message during something the child enjoys

For example, during play an adult might say “help” while selecting that symbol on the system, then help. Allow time for a response without requiring imitation. O'Neill, Light and Pope's 2018 meta-analysis supports interventions that include aided AAC input. Many studies combined modeling with other supports; the review doesn't establish that one isolated technique works for every child.

Fit vocabulary and access to the child

Work with the SLP on useful words across routines, including help, stop and more, alongside personally meaningful words. Don't apply a universal icon count, size or sequence. ASHA describes individualized systems that can combine communication modes. A child can use a communication board alongside a speech-generating device.

Choose support together and watch the response

Ask the clinician to specify the support to try, how to recognize the child's willingness to participate and when to stop. This article doesn't prescribe moving the child's hand to create a message. Record whether a message was independent, modeled or prompted so adults don't mistake their own assistance for the child's independent communication.

Compare observations across settings

Use a short record: routine, message, communication mode, support given, partner response and any distress or access difficulty. Share examples with the family and relevant professionals using their agreed communication route. Agree on a review point based on the child's needs. This guide sets no fixed trial count, two-week success threshold or required daily improvement.

A practical team check-in

Bring one successful interaction and one difficult interaction to the next clinical discussion. Ask: Was the system available? Could the child access the message? Did the partner notice and respond? Was the child willing to continue? What small change should we try, and what observation would tell us it helped?

Keep a backup communication option available while the team addresses a device problem. Preserve ways to request help and to stop. Coordinate any changes to vocabulary, positioning or support with the SLP and family rather than resetting the device to a generic starter layout.

What the research can tell us

Kasari and colleagues' randomized trial studied 61 minimally verbal autistic children aged 5–8. A blended intervention that started with a speech-generating device improved several communication outcomes relative to the spoken-language intervention alone. These findings support studying AAC within an individualized intervention; they don't validate the previous five-day cookie-and-prompt routine or guarantee the same outcome for a four-year-old.