How to predict the potential effectiveness of communication materials.
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D003142:Communication; D003267:Contraception; D005069:Evaluation Studies as Topic; D019359:Knowledge; D008402:Mass Media; D010679:Philippines; D012106:Research; D011795:Surveys and Questionnaires
Communication; Communication Programs; Contraception; Evaluation; Evaluation Methodology; Knowledge; Mass Media; Philippines; Questionnaires; Summary Report