The proportionality model assumes that total testing time is proportional to the number of test items and the number of options per multiple choice test item. This assumption was examined, using test items having from two to five options. The model was not supported. (Author/GDC)

Gender differences in omitting items and guessing on multiple-choice tests were studied in Israel for 302 male and 302 female ninth graders and 150 male and 150 female university applicants. Females tended to omit more items and guess less often than did males. Implications for scoring are discussed. (SLD)