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Peer reviewedGood, Thomas L.; Grouws, Douglas A. – Journal of Educational Psychology, 1979
The effectiveness of an experimental mathematics teaching program was investigated. Observational measures revealed that teachers implemented the treatment. Analyses of product data showed that students of treatment teachers outperformed those of controls. Thus, teachers and/or teaching methods exerted a significant difference on student progress…
Descriptors: Academic Achievement, Elementary School Mathematics, Experimental Programs, Grade 4


