ERIC Number: EJ1038990
Record Type: Journal
Publication Date: 2013-Nov
Abstractor: As Provided
Reference Count: 62
Construct Validation of the Self-Efficacy Teaching and Knowledge Instrument for Science Teachers-Revised (SETAKIST-R): Lessons Learned
Pruski, Linda A.; Blanco, Sharon L.; Riggs, Rosemary A.; Grimes, Kandi K.; Fordtran, Chase W.; Barbola, Gina M.; Cornell, John E.; Lichtenstein, Michael J.
Journal of Science Teacher Education, v24 n7 p1133-1156 Nov 2013
Described herein is the academic lineage and independent validation of the Self-Efficacy Teaching and Knowledge Instrument for Science Teachers-Revised (SETAKIST-R). Data from 334 K-12 science teachers were analyzed using Partial Credit Rasch models. Principal components analysis on the person-item residuals suggest two latent dimensions: Knowledge and Teaching Self-Efficacies. Item-fit statistics were used to select items for each subscale. Person and item separation (reliability) indices were quite low, and we noted disordered response patterns on the person-item maps that revealed problems with item content and/or scaling for both subscales. These issues include the presence of: verbal negatives, ambiguous modifiers, counter-intuitive scaling, and an "undecided/uncertain" option. The SETAKIST-R, in its current form, cannot be recommended as a measure of science teacher self-efficacy.
Descriptors: Construct Validity, Science Teachers, Science Instruction, Measures (Individuals), Self Efficacy, Knowledge Base for Teaching, Pedagogical Content Knowledge, Statistical Analysis, Item Analysis, Goodness of Fit, Form Classes (Languages), Reliability
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
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