Contends that student success in introductory science courses at the college and university level depends on formal operational reasoning ability, size of working memory, and the degree of field independence. Reports the study findings related to cognitive predictor variables based on the testing of Venezuelan science majors (N=95). (ML)

Compares the relative effects of hands-on and teacher demonstration laboratory methods on declarative knowledge and procedural knowledge achievement. Reports that students in the hands-on class were better on the procedural knowledge test than students in the demonstration class. (Author/YP)

High risk students in college chemistry are often identified by low mathematics SAT scores, low American Chemical Society Toledo scores, and secondary school chemistry grades. This study was designed to identify additional variables that can be used at the community college level as predictors of success in chemistry. The study compared students'…