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Strawitz, Barbara M. – Journal of Research in Science Teaching, 1989
Examined are the effects of testing on the achievement of students using self-instructional materials to learn science process skills. Results indicated that frequent quizzes did not differentially affect process skill acquisition. (Author/CW)
Descriptors: Academic Achievement, College Science, Higher Education, Individualized Instruction

Hofmeister, Alan M.; And Others – Journal of Research in Science Teaching, 1989
Discussed is the conceptualization, development, and formative evaluation of a series of science education videodiscs. The formative data indicated that videodisc programs can enhance the effectiveness of teachers and substantively impact student achievement and attitudes. (Author/CW)
Descriptors: At Risk Persons, Audiovisual Aids, Formative Evaluation, Individualized Instruction