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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
student's t-distribution; t-distribution
student's team achievement division
Student's test
student subculture
Students Work
Student Syndrome
students’dormitory
Student t-distribution
Student test
student union
Student z-distribution
Student’s t distribution
Student’s t test
STUDENT人机对话系统
studies about archival enterprise administration
Studies about Archives Value
Studies and Notes in Calligraphy and Painting
Studies in Ancient Chinese Society
Studies in Conservation
Studies In Culture & Art
Studies in Ethnomethodology
Studies in Historical Archives Administration from Minorities of Southwest China
Studies in History and Philosophy of Modern Physics
Studies in Language Testing Series
Studies in Lexicography
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/9/28 5:41:17