摘要
受试对象是试验设计三要素中的第一要素,正确选择受试对象对于科研工作的成败至关重要。试验设计的核心内容为三要素、四原则和设计类型。本文重点阐述了选择受试对象的一般原则,受试对象的种类和数量,以及研究者在选择受试对象时常犯的错误,提出了合理选择受试对象的方法学建议。受试对象虽然仅是试验设计三要素中的一个要素,但对整个科研课题的成败起着举足轻重的作用,必须合理选定。
The research subject is the first key element of the three key elements in the research design.An appropriate selection of research subjects is crucial to the success of the research.This article summarizes the general principles for the selection of research subjects,the types and numbers of research subjects and the common mistakes that researchers tend to make in the selection of the research subjects.This article also provides the methodology suggestions for the selection of research subjects.
出处
《中西医结合学报》
CAS
2011年第3期242-245,共4页
Journal of Chinese Integrative Medicine
关键词
统计学
医学
研究设计
研究对象
statistics
medical
research design
research subjects
