手法を比較

	短縮版テスト再検査信頼性	確認的因子分析（CFA）
分野	心理測定学	心理測定学
系統	Latent structure	Latent structure
提唱年	1990s–2000s	1969
提唱者	Derived from classical test-retest reliability; short-form methodology formalised by Smith, McCarthy & Anderson (2000) among others	Karl Gustav Jöreskog
種類	Reliability estimation	Hypothesis-testing latent variable model
原典	Smith, G. T., McCarthy, D. M., & Anderson, K. G. (2000). On the sins of short-form development. Psychological Assessment, 12(1), 102–111.	Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202.
別名	abbreviated scale temporal stability, short-form temporal consistency, retest reliability of short forms, SF test-retest	CFA, confirmatory FA, measurement model, restricted factor analysis
関連	4	4
概要	Short-form test-retest reliability quantifies how consistently an abbreviated version of a measurement instrument produces the same scores across two administrations separated by a defined time interval. It is a critical validation step whenever a full-length scale is shortened for practical use, confirming that item reduction has not degraded temporal stability.	Confirmatory factor analysis tests a researcher-specified factor structure against observed data. Unlike exploratory approaches, the researcher decides in advance which indicators load on which latent factor, and the model is evaluated by how closely the implied covariance matrix reproduces the sample covariance matrix. CFA is central to scale validation, construct validity assessment, and measurement invariance testing.