文件名称：Social class as a matching variable in school district research
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更新时间：2024-07-19 13:10:34
学术 论文
Social class as a matching variable in school district research SOCIAL CLASS AS A MATCHING VARIABLE I N SCHOOL DISTRICT RESEARCH NICHOLAS J. ANASTASIOW Znstitute for Child Study Indiana University Curriculum research in a naturalistic setting is continuously faced with the problem of identifying an adequate control group. Usually new curriculum programs are adopted by a class, a school or an entire school district. Rarely does one find an innovation tried with a random sample of th