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)

Research focused on two factors that may be influencing females in choice of careers. Factors are role-specific self-concept in science and self-perception in terms of stereotypical masculine and feminine characteristics. Logical ability and mathematics and science courses were also examined as factors in career choice. Results of data for 177…

Examined is the effectiveness of a smoking-prevention program in modifying high school students' attitudes and values in such categories as health, peer pressure, and social image as related to smoking. The intervention lasted four to six weeks within the framework of ninth- and tenth-grade biology classes. (Author/YP)