用Z检验考察大学生的文献信息检索能力

Using Z Test to examine the information retrieval ability of university students

阐述了如何利用教育统计学中的Z检验,考察不同类型大学生的文献信息检索能力是否存在真正差异。

This article expounds the utilization of Z Test to examine the information retrieval ability of the college students from the angle of educational statistics,and investigates whether the real difference among all kinds of students are existing or not.