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DETAILED PRENTICE HALL SCIENCE Science …
www.phschool.comA total of 12 eighth-grade science classes comprising 223 students participated in the study. Study Group Prentice Hall Science Explorer Textbook Program Control Group Other Textbook Programs 6 classes 115 students PRE-TEST (administered during 1st week of school) 108 students POST-TEST (administered at end of school year) 6 …