Namikawa Tsutomu, Tani Iori, Wakita Takafumi, Kumagai Ryuichi, Nakane Ai, Noguchi Hiroyuki
Institute of Education and Student Affairs, Niigata University, Ikarashi, Nishi-ku, Niigata 950-2181, Japan.
Shinrigaku Kenkyu. 2012 Jun;83(2):91-9. doi: 10.4992/jjpsy.83.91.
Personality scales based on the five-factor model, especially the big-five scale of personality trait adjectives (Wada, 1996), are commonly used in Japan. In this study a short form of the Big-Five Scale was constructed. To avoid changes in the capacity dimension caused by the decrease in the number of items, item selection was conducted after item response theory (IRT) scales were constructed for all the items. In study 1 data was collected from 2099 participants. A generalized partial credit model was applied to the IRT model, and items were selected using the slope and location parameters for each item. Cronbach's alpha showed that the short form, as well as the five sub-scales, had sufficient reliability as a personality test. In study 2, we determined correlations with the NEO-FFI and tested the concurrent validity of the short form. The results indicate that the short form of big-five scale demonstrates sufficient reliability and validity despite the reduced number of items.
基于五因素模型的人格量表，尤其是人格特质形容词的大五量表（和田，1996），在日本被广泛使用。在本研究中，构建了大五量表的简版。为避免因项目数量减少而导致能力维度发生变化，在为所有项目构建项目反应理论（IRT）量表后进行项目选择。在研究1中，从2099名参与者那里收集了数据。将广义部分计分模型应用于IRT模型，并使用每个项目的斜率和位置参数选择项目。克朗巴哈系数表明，简版以及五个子量表作为人格测试具有足够的信度。在研究2中，我们确定了与NEO-FFI的相关性，并测试了简版的同时效度。结果表明，尽管项目数量减少，但大五量表简版仍具有足够的信度和效度。
