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| Longitudinal Skalaundvikling× | Test-Retest Reliabilitet× | |
|---|---|---|
| Fagområde | Psykometri | Psykometri |
| Familie | Latent structure | Latent structure |
| Oprindelsesår≠ | 1990s–2000s | 1904 |
| Ophavsperson≠ | Meredith, Millsap, and colleagues | Karl Pearson |
| Type≠ | Scale construction framework | Reliability estimate |
| Oprindelig kilde≠ | Millsap, R. E. (2011). Statistical Approaches to Measurement Invariance. Routledge. ISBN: 978-0805864311 | Nunnally, J. C. & Bernstein, I. H. (1994). Psychometric Theory (3rd ed.). McGraw-Hill. ISBN: 978-0070478497 |
| Aliasser | LSD, longitudinal measurement development, repeated-measures scale construction, scale development with panel data | stability reliability, temporal stability, repeatability coefficient, TRT reliability |
| Relaterede≠ | 6 | 4 |
| Resumé≠ | Longitudinal scale development is the systematic process of constructing and validating a measurement instrument using data collected at multiple time points. It extends classical scale development by additionally testing whether the scale measures the same construct in the same metric across occasions, enabling valid tracking of change over time. | 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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