This study was conducted to compare the effectiveness of video prompting and picture prompting when used as antecedents for teaching daily living skills to two adolescents with autism. Participants were taught two different skills, and the effects of the instructional conditions were compared and evaluated using an adapted alternating-treatments design. The results can be interpreted to conclude that video prompting was slightly more effective in terms of independent correct responding, fewer external prompts for task completion, and fewer prompts to use instructional materials. In addition, when efficiency scores were calculated by considering the ratio of each participant’s growth (from pretest to posttest) to the measured “cost” of minutes required to create instructional materials, video prompting was considerably more efficient than picture prompting.
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Laarhoven et al. (2010) studied this question.
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