结论：由于重复测量数据间存在一定的自相关性和随机误差的多层次性，因而其分析方法有别于一般的统计分析方法。
Conclusion: Owing to correlation among repeated measures and its hierarchical error, the statistical analysis with repeated measures is different from other statistical approach.
通过对干部培训院校干部培训的需求分析，发现其具有以政策信息为核心、新颖动态系统性和多层次性的特点。
Through analyzing cadres training information needs of cadres training college, this paper reveals some information needs characters:policy-information-centered, novel-dynamic-systemic and multilayer.
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