Facilitating derived requesting skills with a touchscreen tablet computer for children with autism spectrum disorder

Katharine Still, Richard J. May, Ruth Anne Rehfeldt, Robert Whelan, Simon Dymond*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Two experiments were conducted employing derived relational responding and conditioned motivating operations to establish untaught mands with 11 children with autism spectrum disorder (ASD) who lacked a vocal repertoire. Following formal language assessments and preference assessments, a multi-stage automated protocol was implemented on touchscreen tablet computers. Children were first taught to mand by picture exchange for missing items necessary to play with a toy and then learned to conditionally relate the dictated names of the items to the corresponding pictures of the items (A-B training) and to relate the dictated names to the corresponding printed words (A-C training). Test probes, in the absence of reinforcement, were presented to determine whether or not participants would mand for the missing items using text exchange (hence demonstrating derived manding/requesting). Probes for spontaneous matching (B-C and C-B) and labeling (B-A and C-A) were also presented in both experiments, one of which employed a pretest/posttest design and the other a multiple probe across participants design. Across both experiments, all but one of the participants showed evidence of derived requesting and derived stimulus relations. Implications for research on high-tech devices for facilitating independent communication skills of children with ASD and for derived relational responding approaches to verbal operants are discussed.

Original languageEnglish
Pages (from-to)44-58
Number of pages15
JournalResearch in Autism Spectrum Disorders
Publication statusPublished - 1 Nov 2015


  • Augmentative alternative communication devices
  • Autism
  • Equivalence relations
  • Manding
  • Requesting


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