This study compared the effectiveness and efficiency of two procedures “backward chaining” and “total task” for training eight severely retarded persons to assemble two vocational tasks via a multielement design. The dependent measure was rate of learning (celeration). The primary method of evaluating the data was visual analysis, which was supplemented by simple linear regression. From an analysis of the results, it was concluded that for rate of learning the total task procedure was superior to backward chaining.
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