Share Paper: A Rasch Analysis of a TPACK Assessment Instrument and Online K-12 Teachers in the United States

1. Joshua Singer, Lincoln County School District, United States
2. Berhane Teclehaimanot, University of Toledo, United States

Abstract: TPACK, an extension of Pedagogical Content Knowledge, has the potential to provide a theoretical lens through which researchers can focus on the skills teachers need to meaningfully incorporate technology into instruction. To date, however, TPACK has been a challenge to measure because of imprecise definitions and confounded dimensions. This study utilized Rasch modeling to assess an existing TPACK instrument, perceived TPACK knowledge of online teachers, and the TPACK theoretical framework itself. An analysis from a nationwide sample of 165 online teachers indicated that the instrument is producing valid and reliable measures. Participants rated their own knowledge highest in areas related ...