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1 关于医学调查研究的基本概念医学科学研究根据其应用范围的不同 ,可分为调查研究、临床研究和实验研究。调查研究 (ｓｕｒｖｅｙｓｔｕｄｙ)是一种观察性研究 (ｏｂｓｅｒｖａｔｉｏｎｓｔｕｄｙ) ,研究者不需要采取什么特别措施 ,只要到现场系统地收集所需要的数据资料 ,这
1 Basic concepts about medical investigations Medical science research can be divided into investigation, clinical research and experimental research depending on the scope of application. Surveystudy is an observationstudy. The researchers do not need to take any special measures, as long as they systematically collect the required data and materials.