Politomous rs. dichotomous items: A methodological study

被引：0
作者：
Lopez Pina, Jose Antonio [1 ]
机构：
[1] Univ Murcia, Fac Psicol, Murcia 30080, Spain
来源：
ANALES DE PSICOLOGIA | 2005年 / 21卷 / 02期
关键词：
Item format; item analysis; reliability; principal component analysis;
D O I：
暂无
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
In this report we compare five response formats for politomous items, from the original format (four categories) to dichotomous format. Different psychometric analysis (item analysis, study of the reliability, principal component analysis and ability analysis) have been done on the five different formats. These psychometric analyses show that two categories can obtain as information as four. Then it is necessary to study the appropriate categories in the items before to apply the test.
引用
收藏
页码：339 / 344
页数：6
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