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Raphael, Dennis; Wahlstrom, Merlin – Canadian Journal of Education, 1986
Results from the Second International Science Study showed achievement differences in biology and chemistry tended to favor Ontario students enrolled in non-semestered classes, but attitude findings were more favorable among students in semestered schools. (LMO)
Descriptors: Academic Achievement, Biology, Chemistry, Foreign Countries

Raphael, Dennis; And Others – Canadian Journal of Education, 1986
Achievement and student attitudes were studied using data from 250 secondary Ontario mathematics classes. The differences between semester schools versus year-long schools were examined. Hours of instruction and teachers' experience were also noted. Lower achievement was observed in semester classes, with no advantage in student attitudes.…
Descriptors: Foreign Countries, High Schools, Mathematics Achievement, Mathematics Instruction