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五、调查方法: 调查方法应既能保证调查所得资料的准确可靠,又应简易可行,有如下几个特点: 1.对残疾人的调查采用“普查”的方法,而不采用“抽样调查”的方法来取得数据、资料:抽样调查是依照统计学的原则,在调查总体中,抽取一部分样本进行调查。所抽取的样本虽然具有总体特征的代表性,然而抽样调查的误差是不可避免的。社区康
V. Survey Method: The survey method should not only ensure the accuracy and reliability of the information obtained from the survey, but also should be simple and feasible. It has the following characteristics: 1. The “census” method is used for the investigation of the disabled instead of the “sampling survey”. The method used to obtain data and data: The sample survey is based on the principle of statistics. In the overall survey, a sample is taken for investigation. Although the samples taken are representative of the overall characteristics, the errors in sampling surveys are unavoidable. Community Health