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| Fiabilitat test-retest longitudinal× | Proves d'invariància de mesura longitudinal× | |
|---|---|---|
| Camp | Psicometria | Psicometria |
| Família | Latent structure | Latent structure |
| Any d'origen≠ | 1904 (test-retest); longitudinal application formalized mid-20th century | 1993 |
| Autor original≠ | Spearman, Charles; extended to longitudinal contexts by psychometric theorists | William Meredith |
| Tipus≠ | Reliability estimation / temporal stability | Measurement model testing |
| Font seminal≠ | Nunnally, J. C. & Bernstein, I. H. (1994). Psychometric Theory (3rd ed.). McGraw-Hill. ISBN: 978-0070478497 | Meredith, W. (1993). Measurement invariance, factor analysis and factorial invariance. Psychometrika, 58(4), 525–543. DOI ↗ |
| Àlies | longitudinal stability reliability, repeated-measurement reliability, temporal stability across waves, longitudinal retest coefficient | LMI, longitudinal invariance, measurement equivalence across time, temporal measurement invariance |
| Relacionats | 3 | 3 |
| Resum≠ | Longitudinal test-retest reliability quantifies how consistently a scale or measure performs across two or more time points in a longitudinal study. It extends the classic test-retest paradigm by accounting for planned, often substantive, time lags between waves — making it essential for validating instruments used in panel, cohort, or growth-curve research. | Longitudinal measurement invariance testing determines whether a psychological scale measures the same construct in the same way across two or more time points. It is a prerequisite for interpreting mean-level change scores in panel and repeated-measures studies, ensuring that observed change reflects true change in the construct rather than drift in the measurement instrument. |
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