Abstract
A multiple probe across participants with an embedded withdrawal single case research design was used to examine the effectiveness of a progressive time delay (PTD) procedure to teach preschoolers with disabilities to imitate their peers during a sculpting play activity. Data indicated the presence of a functional relation between the use of PTD and contingent reinforcement on increased levels of peer imitation across participants; levels also decreased when PTD was withdrawn, although not to baseline levels. Overall levels of peer imitation had a greater magnitude of change than demonstrated in previous research.
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Acknowledgments
The authors would like to acknowledge the children, families, teachers, and staff of the Susan Gray School whose participation and support made this study possible.
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E. S., E. B., and J. L. conceptualized the study. E. S. wrote an initial draft. E. B. and J. L. reviewed and edited the draft.
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Sweeney declares that she has no conflict of interest. Barton declares that she has no conflict of interest. Ledford declares that she has no conflict of interest.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments.
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Informed consent was obtained from all individual participants included in the study.
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Sweeney, E., Barton, E.E. & Ledford, J.R. Using Progressive Time Delay to Increase Levels of Peer Imitation During Sculpting Play. J Autism Dev Disord 53, 516–524 (2023). https://doi.org/10.1007/s10803-018-3638-2
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DOI: https://doi.org/10.1007/s10803-018-3638-2