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关注:1
2013-05-23 12:21
求翻译:The assumption underlying the analysis is that the main confounding factors, unobserved resources and constraints on behavior, do not vary much from year to year, while home computer access can. To assess the importance of these confounding factors, we also report the results of simpler repeat-cross-section models id是什么意思?![]() ![]() The assumption underlying the analysis is that the main confounding factors, unobserved resources and constraints on behavior, do not vary much from year to year, while home computer access can. To assess the importance of these confounding factors, we also report the results of simpler repeat-cross-section models id
问题补充: |
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