השוואת שיטות
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| תוקף נומולוגי של צורה מקוצרת× | ניתוח גורמים מאשר (CFA)× | |
|---|---|---|
| תחום | פסיכומטריה | פסיכומטריה |
| משפחה | Latent structure | Latent structure |
| שנת המקור≠ | 1955 (concept); 2000 (short-form context) | 1969 |
| הוגה השיטה≠ | Cronbach & Meehl (nomological network concept); Smith et al. for short-form application | Karl Gustav Jöreskog |
| סוג≠ | Validity assessment technique | Hypothesis-testing latent variable model |
| מקור מכונן≠ | Cronbach, L. J. & Meehl, P. E. (1955). Construct validity in psychological tests. Psychological Bulletin, 52(4), 281–302. DOI ↗ | Jöreskog, K. G. (1969). A general approach to confirmatory maximum likelihood factor analysis. Psychometrika, 34(2), 183–202. DOI ↗ |
| כינויים | nomological validity of abbreviated scales, short-scale construct validity, nomological network validity, abbreviated form external validity | CFA, confirmatory FA, measurement model, restricted factor analysis |
| קשורות | 4 | 4 |
| תקציר≠ | 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. |
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