调查研究的主体和客体都是人。各人因其立场、需要及所处的环境不同，对客观事物的看法常会产生差异。正如俗话所说；“路边丢只草鞋，有人说长，有人说短。”在调研工作中，怎样才能公正、客观、全面地观察和评价认知对象，做到去伪存真呢？这里推荐三种方法：一是兼听求明。 The main body and object of investigation are all human beings. Because of their position, needs and the environment in which they live, people often have different views on objective things. As the saying goes, “Some people say long, some people say short.” How can we observe and evaluate the people we know impartially, objectively and comprehensively in the research work, so that we can go forgery? Here are three recommended methods: First, and seek clarification.