Journal article

Construct validity and measurement invariance of computerized adaptive testing: Application to Measures of Academic Progress (MAP) using confirmatory factor analysis


Published in:

Journal of Educational and Developmental Psychology, 3(1)

By: Shudong Wang, Marth S. McCall, Hong Jiao, Gregg Harris


There are many challenges to providing validity evidence for CAT tests because of its uniqueness compared to fixed form tests. This study, using real data, provides empirical evidence of construct and invariance construct of MAP scales across grades at different academic calendars for 10 different states. Results show the consistency and reasonableness of interpretation of the MAP RIT scale across grades and academic calendar years for the different states.

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