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)

There have been few discoveries in geology more important than "deep time"--the understanding that the universe has existed for countless millennia, such that man's existence is confined to the last milliseconds of the metaphorical geological clock. The influence of deep time is felt in a variety of sciences including geology, cosmology,…