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(一)抽样调查及其作用 时间研究的对象是工作过程中时间消耗的数量方面及其与影响因素的相互关系,其目的是反映时间消耗的变化趋势和规律性。时间研究需要的是某一生产过程中时间消耗总体的全面情况,但在实际工作中,不可能采用全面调查的方式,怎样解决这个矛盾呢?我们可以抽出总体中的少部分单位进行详细调查研究,取得有关的数据资料,从而推断总体的全面情况。 1.抽样调查
(A) Sampling Survey and its role Time The object of study is the amount of time consumed in the work process and its relationship with the impact of factors, the purpose is to reflect the trend and regularity of time consumption. Time study needs a comprehensive overview of time consumption in a production process. However, in actual work, it is impossible to adopt a comprehensive investigation and how to solve this contradiction? We can draw a small part of the overall population for detailed investigation and study , Access to relevant data, in order to infer the overall overall situation. Sample survey