Describes the use of concept mapping (CM) in design, instruction, and assessment related to microbiology lessons prepared for high school students in Israel. Indicates that students utilizing CM displayed an overall, higher achievement gain than students in traditional classes. Recognizes that some teachers did not thoroughly exploit the potential…

Compares models of the classroom dynamics for a traditional laboratory setting and a problem-solving-centered environment, both at the eighth grade science level. Descriptive data indicate no differences in the models, whereas path analyses suggest that, in the problem-solving model, student behaviors significantly correlate to lesson structure,…