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This article describes the development and validation process of a scale designed to assess the assistive technology (AT) knowledge of preservice special education teachers related to visual impairment (VI). The scale was administered to two groups of preservice special education teachers, and data from the first group (N = 291) were subjected to an exploratory factor analysis (EFA). The results of...
The purpose of this multiple case study was to critically evaluate the Technological Pedagogical Content Knowledge (TPACK) framework by examining the convergent and discriminant validity associated with two popular TPACK measures. Twenty-seven preservice teachers completed the Schmidt et al. (2009) survey and their planning documents were analyzed using the Harris et al. (2010) rubric. A Spearman...
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