FCT schedule thinning should begin only after the communication response and partner routine are sufficiently reliable for the planned change, current safety is acceptable, and the client has an accessible way to decline, pause, or report distress. Families can ask which schedule is changing, what signal or delay applies, how quickly steps progress, and which communication, target, recurrence, integrity, and client-experience data stop or reverse a step.
Decide when FCT schedule thinning fits
Write the current schedule, proposed next step, eligible opportunities, signal, partner response, alternative activity when relevant, maximum delay, progression rule, hold rule, reversal rule, and review owner. Report skipped or failed partner implementations instead of excluding them from the step's denominator.
Interpret the plan in context
Schedule thinning may use delays, multiple schedules, chained routines, or other arrangements. These procedures are not interchangeable. Longer waits and less frequent outcomes can produce recurrence, distress, or loss of communication if the pace, signals, outcome quality, or supports do not fit.
Use current clinical and research sources
The 2011 review found schedule-thinning descriptions in 19 of 76 FCT studies it reviewed and documented several arrangements plus supplemental components. The FCT review discusses thinning and relapse risks. The Ethics Code supports risk minimization and continual evaluation.
Preserve communication and participation
The ASHA AAC portal supports continuous access to communication tools. For this decision, preserve established communication, ordinary supports, direct client input, consent, assent when applicable, and a usable way to decline, pause, or correct.
A practical example
A plan moves from immediate access to a signaled ten-second wait across ten opportunities. Communication remains independent in nine, partners implement the signal and outcome in eight, and the target returns twice. The prewritten hold rule keeps the schedule at the current step for review.
Questions families can use
Is communication stable enough? Which schedule changes? How is availability signaled? What does the client report? Are partner misses counted? Which recurrence or distress rule pauses or reverses the step?
Sources
- Council of Autism Service Providers, ABA Practice Guidelines Version 3.0 public summary
- Behavior Analyst Certification Board, Ethics Code for Behavior Analysts
- Behavior Analyst Certification Board, BCBA Test Content Outline, 6th edition
- Tiger, Hanley, and Bruzek, Functional Communication Training: A Review and Practical Guide
- Kunnavatana and colleagues, Selecting an Appropriate Functional Communication Response
- Hagopian, Boelter, and Jarmolowicz, Reinforcement Schedule Thinning Following Functional Communication Training
- Gerow and colleagues, Systematic Review of Functional Communication Training Effectiveness
- American Speech-Language-Hearing Association, Augmentative and Alternative Communication
Finni resources
