Abstract:A set of instructional materials on Total Quality Management livestockpractices was evaluated by preposttest measures of attitudes. The posttest was administered one year after the pretest, and students were paired on three measures, gender, grade in school, and whether or not they raised livestock. Contrary to researchers ; expectations, attitudes after use of the materials tended to be lower than attitudes before use of the materials. But when ratings on the posttest were compared with a control group of stu… Show more
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