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| Pitkittäinen käsitevaliditeetti× | Testi-uusintatestausreliabiliteetti× | |
|---|---|---|
| Tieteenala | Psykometriikka | Psykometriikka |
| Menetelmäperhe | Latent structure | Latent structure |
| Syntyvuosi≠ | 1993–2000 | 1904 |
| Kehittäjä≠ | Meredith, Vandenberg, and the measurement invariance tradition | Karl Pearson |
| Tyyppi≠ | Validity evaluation framework | Reliability estimate |
| Alkuperäislähde≠ | Vandenberg, R. J. & Lance, C. E. (2000). A review and synthesis of the measurement invariance literature: Suggestions, practices, and recommendations for organizational research. Organizational Research Methods, 3(1), 4–70. DOI ↗ | Nunnally, J. C. & Bernstein, I. H. (1994). Psychometric Theory (3rd ed.). McGraw-Hill. ISBN: 978-0070478497 |
| Rinnakkaisnimet | longitudinal measurement validity, construct validity over time, longitudinal measurement invariance, LCV | stability reliability, temporal stability, repeatability coefficient, TRT reliability |
| Liittyvät≠ | 5 | 4 |
| Tiivistelmä≠ | Longitudinal construct validity evaluates whether a psychological scale measures the same latent construct in the same way across multiple time points. It is tested by progressively constraining a confirmatory factor model across waves and comparing model fit, ensuring that observed change scores reflect genuine change in the underlying trait rather than measurement drift. | Test-retest reliability quantifies the temporal consistency of a measure by correlating scores obtained from the same participants on two separate occasions. It is a cornerstone of psychometric validation, directly indicating whether a scale or instrument yields stable scores when the underlying construct has not changed. |
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