Item Analysis: A Short-Cut Statistic for Mastery Tests

Deborah J. Harris; Michael J. Subkoviak

Educational and Psychological Measurement Vol. 46, No. 3 (1986) pp. 495–507

This study examined three statistical methods for selecting items for mastery tests: (1) pretest-posttest; (2) latent trait; and (3) agreement statistics. The correlation between the latent trait method and agreement statistics, proposed here as an...