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Bond, Charles A. – College English, 1972
Described is a study designed to test on a scientific basis the effectiveness of Dr. Francis Christensen's program for teaching composition. (RY)
Descriptors: College Freshmen, Control Groups, Experimental Programs, Pretesting
Cunningham, Grover – 1968
A study was conducted to determine if the observed changes in Head Start children were related to the practice effects inherent in a test-retest situation. The "control" group consisted of 64 children who had been eligible for a Head Start program. They roughly matched a group of Head Start (HS) children in IQ scores, age, and…
Descriptors: Cognitive Tests, Control Groups, Disadvantaged, Experimental Groups