A statistical method has been developed for nested incomplete samples in a longitudinal study in which part of the sample has dropped out in such a way that the data have a nested pattern. A procedure which performed well in a Monte Carlo experiment was extended to a two-factor incomplete design with repeated measures on one factor. Methods…

The comparative effects of various sequences of test items were examined for over 900 graduate students enrolled in an educational research course at The University of Alabama, Tuscaloosa. experiment, which was conducted a total of four times using four separate tests, presented three different arrangements of 50 multiple-choice items: (1)…

Test item selection techniques based on traditional item analysis methods were compared to techniques based on item response theory. The consistency of mastery classifications in criterion referenced reading tests was examined. Pretest and posttest data were available for 945 first and second grade students and for 1796 fourth to sixth grade…

Surveyed 1,148 Chinese junior, prevocational, secondary school students to investigate self-concepts and delinquent behaviors when compared to grammar secondary school counterparts. Examined data from an earlier study of junior grammar school students. Finds earlier group had higher self-esteem whereas the prevocational students were more likely…

Compares grades awarded by 5 examination boards for 11 subjects at A levels. Uses data from the A Level Information System (ALIS) project for 1989. Finds discrepancies among boards not statistically significant. Fails to identify grading as consistently severe or lenient. (NL)