urban sampling area 中文意思是什麼
urban sampling area
解釋
城市采樣區-
In order to understand the childhood behavior disorder and suicide ideation in primary school studens in changsha city, and to identify factors affecting childhood behavior disorder and suicide ideation of children, 1060 primary school students, 796 persons from urban areas and 264 from rural area, were randomly sampled from six primary schools in changsha by multiple cluster sampling
為了了解長沙市城鄉小學生的行為問題、自殺意念以及它們的影響因素,本研究採用多級整群隨機抽樣法,在長沙市城鄉隨機抽取六所學校的1060人(城市796人,鄉村264人)為研究對象。
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