论文部分内容阅读
1、调查对象与方法 调查对象为黄河科技大学98级、99级、2000级和2001级男生,共发放问卷3000份,回收2620份,回收率为83.7%,时间为2000年10月-11月。
1. Subjects and Methods The respondents were 98, 99, 2000 and 2001 male students from Huanghe University of Science and Technology. A total of 3000 questionnaires were sent out and 2620 were recovered. The recovery rate was 83.7% and the time was October-November 2000 .