手法を比較

	縦断的項目分析	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	Vandenberg, Lance, Meade and colleagues in organizational/educational measurement	Karl Gustav Jöreskog
種類	Item-level longitudinal diagnostic	Hypothesis-testing latent variable model
原典	Meade, A. W., Johnson, E. C. & Braddy, P. W. (2008). Power and sensitivity of alternative fit indices in tests of measurement invariance. Journal of Applied Psychology, 93(3), 568–592.	Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202.
別名	LIA, repeated-measures item analysis, longitudinal item calibration, item parameter stability analysis	CFA, confirmatory FA, measurement model, restricted factor analysis
関連	6	4
概要	Longitudinal item analysis examines how the statistical properties of individual scale items — difficulty, discrimination, factor loadings, and fit — remain stable or change systematically across repeated measurement occasions. It is the item-level foundation of longitudinal measurement validity.	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.