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Jacobsen, Kaare; Drier, Harry N., Jr. – 1974
One of five sections of materials for a program to change teacher attitudes toward career education, the document presents the results of the pilot testing of the program. The attitude change product was evaluated by a pilot test plan and a field test plan. Design, data collection, and data interpretation for each test plan are described. Although…
Descriptors: Analysis of Covariance, Attitude Change, Career Education, Change Strategies
Cross, Lawrence H.; Lane, Carolyn E. – 1977
Action research often necessitates the use of intact groups for the comparison of educational treatments or programs. This paper considers several analytical methods that might be used for such situations when pretest scores indicate that these intact groups differ significantly initially. The methods considered include gain score analysis of…
Descriptors: Achievement Gains, Analysis of Covariance, Analysis of Variance, Control Groups