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Williams, Gladys; Perez-Gonzalez, Luis Antonio; Queiroz, Anna Beatriz Muller – Journal of Applied Behavior Analysis, 2005
A combined blocking procedure was used to teach a child with autism to select two colors on request. First, two color cards were placed at fixed locations on a table and the experimenter repeatedly requested the child to touch one of the colors. After 10 consecutive correct selections, the child was asked to touch the other color. Blocks of trials…
Descriptors: Autism, Color, Instructional Materials, Experimental Teaching