The effects of full-credit semester and all-year timetables on science attitudes and science achievement of grade 10 students was investigated. Findings indicated that students in all-year courses consistently outperformed students in semester courses in the cognitive domain, but there were no differences in the affective domain. (CW)

This paper compares student headcount enrollment and full-time enrollment prior to and following transition to a semester calendar at 75 public colleges in three state systems: Alabama, Georgia, and Utah. Before and after effects on enrollment in the transition colleges are examined and compared with colleges that did not make the transition. In…