Validating Measures of Algebra Teacher Subject Matter Knowledge and Pedagogical Content Knowledge
The purpose of this study was to validate inferences about scores of one task designed to measure subject matter knowledge and three tasks designed to measure aspects of pedagogical content knowledge. Evidence for the validity of inferences was based on two expectations. First, if tasks were sensiti...
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| Veröffentlicht in: | Educational assessment 2012-01, Vol.17 (1), p.1-21 |
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| creator | Buschang, Rebecca E. Chung, Gregory K. W. K. Delacruz, Girlie C. Baker, Eva L. |
| description | The purpose of this study was to validate inferences about scores of one task designed to measure subject matter knowledge and three tasks designed to measure aspects of pedagogical content knowledge. Evidence for the validity of inferences was based on two expectations. First, if tasks were sensitive to expertise, we would find group differences. Second, tasks that measured similar types of knowledge would correlate strongly, and tasks that measured different types of knowledge would correlate weakly. We recruited and assessed 4 groups of participants including 46 experienced algebra teachers (2+ years experience), 17 novice algebra teachers (0-2 years experience), 10 teaching experts, and 13 subject matter experts. Results indicate that one task differentiated among levels of expertise and measured several aspects of knowledge needed to teach algebra. Results also highlight that future studies should use a combination of tasks to accurately measure different aspects of teacher knowledge. |
| doi_str_mv | 10.1080/10627197.2012.697847 |
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| source | Education Source (EBSCOhost) |
| subjects | Algebra Beginning Teachers Correlation Differences Educational evaluation Expectations Experienced Teachers Expertise Inferences Knowledge Knowledge Base for Teaching Mathematics Teachers Measures (Individuals) Pedagogical Content Knowledge Pedagogy Scores Teacher Characteristics Test Validity |
| title | Validating Measures of Algebra Teacher Subject Matter Knowledge and Pedagogical Content Knowledge |
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