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社区干预研究统计学设计
释义
社区干预研究统计学设计
Encyclopedia
医学
流行病学研究的统计学设计
释
Community intervention study
社区干预研究统计学设计
以人群为基础的实验性研究。它是按随机分配的原则将符合条件的研究对象分到试验组(或不同水平的试验组)和对照组,试验组的研究对象施加一种或多种干预措施,前瞻性随访观察疾病或健康结局,评价干预措施是否有效的研究方法。
随便看
written proclamations for admonishment
written proposal
written report to a superior official
written rocord of lawsuit
written statement to a superior official
written torah
W. Ritz
W. Ritz (1878—1909)
WR nebula
Wroclaw
wrong character
Wrongskian
Wronski
Wronskian
Wronskian determinant
Wronski determinant
Wrottesley crater
wrought aluminium alloys
wrought aluminum alloys
wrought copper alloy
wrought iron
wrought magnesium alloys
wrought magnesium-rare earth alloy
wrought superalloy for blade applications
wrought superalloy for disc applications
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