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James, Robert K. – Journal of Research in Science Teaching, 1972
There were no differences in critical thinking, understanding of science, or achievement outcomes between students using an ISCS type instructional unit and those given group instruction over the same content. (AL)
Descriptors: Achievement, Comparative Analysis, Critical Thinking, Grade 7

Woodman, Charles A. – Journal of Research in Science Teaching, 1972
Students whose Physical Science Study Committee (PSSC) physics course was supplemented with the PSSC films did not achieve significantly higher scores on the PSSC Achievement Test or the Test on Understanding Science than students who did not see the films, when intelligence and science background were used as covariates. (AL)
Descriptors: Achievement, Instruction, Instructional Films, Physics