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Lee, Hee-Sun; Liu, Ou Lydia; Linn, Marcia C. – Applied Measurement in Education, 2011
This study explores measurement of a construct called knowledge integration in science using multiple-choice and explanation items. We use construct and instructional validity evidence to examine the role multiple-choice and explanation items plays in measuring students' knowledge integration ability. For construct validity, we analyze item…
Descriptors: Knowledge Level, Construct Validity, Validity, Scaffolding (Teaching Technique)