Abstract
This study was designed to evaluate the use of computer-based video anchors to increase photograph recognition by students with severe intellectual disabilities. Specifically, this study investigated the effectiveness and efficiency of using a computer-based presentation program with embedded video anchors far encouraging photograph recognition related to the use of augmentative communication systems. Video captions were paired with corresponding target photographs in order to represent, in simulation, communication related concepts that cannot readily be represented in the classroom environment. When a photograph was selected directly on the computer touch screen, a video representation of the photograph was activated. Two students, 11 and 24 years of age, diagnosed with severe intellectual disabilities served as study participants. A multiple probe design, replicated across three sets of photographs and two subjects, was used to evaluate the effectiveness of the computer-based program on the number of photographs correctly selected. Results indicate that a substantial increase was made in the number of photographs correctly selected with the computer program with results generalizing to selection of photographs on each participant’s augmentative communication device. The discussion includes a link between the effectiveness and efficiency of computer-based anchored instruction to teaching functional community-based skills to learners with severe intellectual disabilities.
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