Higher elementary student scores on standardized tests do not mean educational improvement. Scores can be affected by teaching "to" the test, coaching on test taking, and skewed norms. Test scores have been declining at the secondary level. Included is a discussion of secondary tests. (MD)

Single administration (beta-binomial) estimates for the raw agreement index p and the corrected-for-chance kappa index in mastery testing are compared with those based on two test administrations in terms of estimation bias and sampling variability. Bias is about 2.5 percent for p and 10 percent for kappa. (Author/RL)