ISSN 0439-755X
CN 11-1911/B
主办:中国心理学会
   中国科学院心理研究所
出版:科学出版社

心理学报 ›› 1998, Vol. 30 ›› Issue (2): 193-196.

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信度估计的γ系数

谢小庆   

  1. 北京语言文化大学
  • 出版日期:1998-06-25 发布日期:1998-06-25
  • 通讯作者: 谢小庆

γ COEFFICIENT AS AN ESTIMATION OF RELIABILITY

Xie Xiaoqing (Beijing Language and Culture University , Beijing, 100083)   

  • Published:1998-06-25 Online:1998-06-25

摘要: 本文提出了信度估计的γ系数。与今天应用最广泛的α系数相比,γ系数较少受到被试样本特点的影响,更多地反映了测验受到误差因素影响的程度。因此,γ系数是更好的测验信度估计指标。

关键词: 心理测量学, 信度

Abstract: This paper proposed γ Coefficient as an estimation of reliability. Compared with the widely used α Coefficient γ is a better estimation of reliability, it is less influenced by the character of the sample group and therefore it is more closely related to the error variance of the test score.

Key words: psychometrics, reliability