Communication in Brazil: Experiments in Introducing Change |
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18 communities 2.5 III Gain 32 practices ACAR supervisor agricultural innovations agronomist analysis animation and literacy Animation Communities animation training average number Belo Horizonte Brazil chapter communication techniques communication treatments Communities Control Communities Communities Newspaper Communities communities ranked communities showed community improvement community leaders contact with ACAR Control Communities FIGURE control group cost and complexity data gathering difficult Diffusion of Innovations discussion economic experimental effect experimental treatments extension service F for Differences F statistic farmers field experiment forums and community four practices GAIN Control Communities hectares IBGE II III GAIN increase indicates interviewing level of living literacy classes literacy training man-days measure Michigan State University milk production Minas Gerais newspaper exposure organizations Pedro Leopoldo percent Phase II data Planter questions radio forum communities radio program relatively respondents six communities Strip farming taped three groups three treatment groups Trench silos trips to cities urban contact variables