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Richling, Sarah M.; Williams, W. Larry; Carr, James E. – Journal of Applied Behavior Analysis, 2019
The acquisition of skills by individuals with developmental disabilities typically includes the attainment of a certain mastery criterion. We conducted a survey of practitioners who indicated the most commonly used mastery criterion as 80% accuracy across three consecutive sessions. Based on these results, we conducted a series of three…
Descriptors: Developmental Disabilities, Mastery Learning, Skill Development, Correlation
Hanley, Gregory P.; Iwata, Brian A.; Roscoe, Eileen M. – Journal of Applied Behavior Analysis, 2006
Results of longitudinal studies suggest that the stability of preferences varies across individuals, although it is unclear what variables account for these differences. We extended this work by conducting periodic assessments of preference for leisure activities over 3 to 6 months with 10 adults with developmental disabilities. Although previous…
Descriptors: Longitudinal Studies, Developmental Disabilities, Comparative Analysis, Correlation