摘要
以 SEPT 口试部分数据为样本，通过去除得分为总体样本均值和极值(最低、最高)被试样本对试卷样本的同质性与概化理论测评精度的关系进行了探讨。结果表明，试卷的同质性越强，概化系数与可靠性指数越低，反之，降低试卷的同质性，会提高概化系数与可靠性指数。另外，试卷的同质性对概化理论中的相对误差与绝对误差的影响不同步，甚至是相反方向的。
The effect on GT generalizability coefficients and dependentability index of sample homogeneitywas studied by excluding the samples of maximum,minimum and mean score.The results indicate that thestronger the testees score homogeneity is,the lower the generalizability coefficients and dependentability index,and vice versa.The effect of homogeneity of test takers' sample on the relative error and absolute error of themeasurement may differ.
出处
《青岛远洋船员学院学报》
2004年第4期54-57,共4页
Journal of Qingdao Ocean Shipping Mariners College
关键词
概化理论
试卷同质性
SEPT
Generalizability Theory
sample homogeneity
SEPT
