Σύγκριση μεθόδων

	Σύντομη Νομολογική Εγκυρότητα	Επαληθευτική Παραγοντική Ανάλυση (Confirmatory Factor Analysis - CFA)
Πεδίο	Ψυχομετρία	Ψυχομετρία
Οικογένεια	Latent structure	Latent structure
Έτος προέλευσης	1955 (concept); 2000 (short-form context)	1969
Δημιουργός	Cronbach & Meehl (nomological network concept); Smith et al. for short-form application	Karl Gustav Jöreskog
Τύπος	Validity assessment technique	Hypothesis-testing latent variable model
Θεμελιώδης πηγή	Cronbach, L. J. & Meehl, P. E. (1955). Construct validity in psychological tests. Psychological Bulletin, 52(4), 281–302.	Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202.
Εναλλακτικές ονομασίες	nomological validity of abbreviated scales, short-scale construct validity, nomological network validity, abbreviated form external validity	CFA, confirmatory FA, measurement model, restricted factor analysis
Συναφείς	4	4
Σύνοψη	Short form nomological validity examines whether an abbreviated version of a psychological scale preserves the pattern of theoretically expected correlations with conceptually related and unrelated constructs. It is a cornerstone step in justifying the use of a shortened instrument in research and applied settings.	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.