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Perritt, Roger Dale; Shinn, Glen C. – 1981
A Mississippi study examined the effects of two instructional techniques using the Ford power train unit as an instructional aid. Eight schools were randomly selected from a population of 33 vocational agricultural departments. Three schools with 10 students from each school were randomly selected and assigned to treatment A, traditional…
Descriptors: Agricultural Education, Agricultural Engineering, Agricultural Machinery, Audiovisual Aids
