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Adedokun, Omolola A. – Journal of Extension, 2018
This article provides an illustrative description of the pre-post difference index (PPDI), a simple, nontechnical yet robust tool for examining the instructional sensitivity of assessment items. Extension educators often design pretest-posttest instruments to assess the impact of their curricula on participants' knowledge and understanding of the…
Descriptors: Extension Education, Extension Agents, Pretests Posttests, Curriculum Evaluation
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Yost, John – Journal of Extension, 2011
Educational commodity marketing clubs have been an effective tool for producers to develop their grain and livestock marketing skills. These groups are further enhanced when the participants engage in "actual trading" versus "paper trading" techniques. When a club chooses to try actual trading, it becomes more complicated than pooling monies…
Descriptors: Clubs, Marketing, Legal Responsibility, Federal Regulation