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量表技术用于社会科学研究,到目前为止,其测量的信度和效度都还不太...
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对观察的内容、程序事先不做严格规定,依现场的实际情况随机决定的观察是()。A、自然观察B、间接观察C、无结构式观察D、随机观察...
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抽样指的是从组成某个总体的所有元素的集合中,按一定方式选择或抽取...
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按研究性质的不同进行分类,社会研究主要可以分为()。A、探索性研究B、理论性研究C、描述性研究D、应用性研究E、解释性研究...
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