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Lieberman, Rebecca G.; Yoder, Paul J.; Reichow, Brian; Wolery, Mark – School Psychology Quarterly, 2010
A within-subjects group experimental design was used to test whether three manipulated characteristics of multiple baseline across participants (MBL-P) data showing at least a month delayed change in slope affected experts' inference of a functional relation and agreement on this judgment. Thirty-six experts completed a survey composed of 16 MBL-P…
Descriptors: Research Design, Graphs, Evaluation Methods, Visual Stimuli
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Barton, Erin E.; Wolery, Mark – Journal of Early Intervention, 2007
The effects of e-mail feedback with written verbatim examples and frequency counts of expansions on pre-service teachers' verbal behaviors were examined in two studies. In Experiment I, e-mail feedback on the use of expansions was evaluated in a multiple baseline design across 3 undergraduate early childhood special education students. Results…
Descriptors: Feedback (Response), Student Teachers, Disabilities, Supervisors