Examined ability levels, attitudes, expectations, and affective outcomes of junior high students (N=147) who voluntarily enrolled in extracurricular science activities at Weizmann Institute of Science (Israel). Results indicate that for high ability students there is a need for theoretical and experimental independent study which can be found in…

This project was designed to investigate the effect of the use of cause-and-effect activities in the science curriculum on the locus of control of the learner. The purpose of this research is to find the effect of the activities on the learner's locus of control and attitude toward science at grades 7 through 10. A multivariate analysis of…

Trying to change the predictive rule for the sinking and floating phenomena, students have a great difficulty in understanding density and they are insensitive to empirical counter-examples designed to challenge their own rule. The purpose of this study is to examine the process whereby students from sixth and seventh grades relinquish their…