Investigated was the influence on learner outcomes of the repeatable testing provision of Bloom's mastery learning model for ninth graders in an Introduction to Chemistry and Physics course. Neither student achievement nor attitude toward learning science was favorably influenced by repeatable testing. (MNS)

This study analyzed a remedial education program that allocated 30 minutes of additional instruction in remedial math and science per day to underachieving students. Results showed that increasing instructional time alone without varying the content does not necessarily increase student achievement in remedial programs. (TE)