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ERIC Number: EJ1002482
Record Type: Journal
Publication Date: 2013-Apr
Pages: 25
Abstractor: As Provided
Reference Count: 68
ISSN: ISSN-1046-560X
A Psychometric Approach to the Development of a 5E Lesson Plan Scoring Instrument for Inquiry-Based Teaching
Goldston, M. Jenice; Dantzler, John; Day, Jeanelle; Webb, Brenda
Journal of Science Teacher Education, v24 n3 p527-551 Apr 2013
This research centers on the psychometric examination of the structure of an instrument, known as the 5E Lesson Plan (5E ILPv2) rubric for inquiry-based teaching. The instrument is intended to measure an individual's skill in developing written 5E lesson plans for inquiry teaching. In stage one of the instrument's development, an exploratory factor analysis on a fifteen-item 5E ILP instrument revealed only three factor loadings instead of the expected five factors, which led to its subsequent revision. Modifications in the original instrument led to a revised 5E ILPv2 instrument comprised of twenty-one items. This instrument, like its precursor, has a scoring scale that ranges from zero to four points per item. Content validity of the 5E ILPv2 was determined through the expertise of a panel of science educators. Over the course of five semesters, three elementary science methods instructors in three different universities collected post lesson plan data from 224 pre-service teachers enrolled in their courses. Each instructor scored their students' post 5E inquiry lesson plans using the 5E ILPv2 instrument recording a score for each item on the instrument. A factor analysis with maximum likelihood extraction and promax oblique rotation provided evidence of construct validity for five factors and explained 85.5% of the variability in the total instrument. All items loaded with their theoretical factors exhibiting high ordinal alpha reliability estimates of 0.94, 0.99, 0.96, 0.97, and 0.95 for the "engage," "explore," "explain," "elaborate," and "evaluate" subscales respectively. The total instrument reliability estimate was 0.98 indicating strong evidence of total scale reliability.
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Publication Type: Journal Articles; Reports - Research
Education Level: Elementary Education; Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A