This study investigated the relationships among the symbolic representation of problems given to students to solve, the mental representations they use to solve the problems, and the accuracy of their solutions. Twenty eleventh-grade science students were asked to think aloud as they solved problems on the ideal gas laws. The problems were…

Successful teaching and learning of chemistry depends partly on correct use of a teaching method whose activities target most learning senses. Though chemistry enhances students' learning of biology, physics and agriculture on which Kenyan industries and prosperity depend, most secondary school students in Kenya perform poorly on the subject. This…

Province-wide results from the Diploma Examinations Program of the Alberta (Canada) schools are presented for the three examinations of the entire 1991-92 school year (January, June, and August). The annual report also provides summaries of results by gender, for population subgroups, and for achievement-over-time studies. School marks,…

Data on science achievement, student attitudes and educational practices in the United States and 23 other countries were collected. This data was taken from random samples of the fifth, ninth, and twelfth grade levels. This report card conveys a few of the findings of the Second IEA Science Study regarding the performance of students in the U.S.…