مقایسهٔ روشها
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| پایایی بازآزمون چندگروهی× | آلفای کرونباخ چندگروهی× | |
|---|---|---|
| حوزه | روانسنجی | روانسنجی |
| خانواده | Latent structure | Latent structure |
| سال پیدایش≠ | 1979–2000 | 1951 (alpha); multi-group application from 1980s onward |
| پدیدآور≠ | Systematic multi-group extensions developed alongside measurement invariance frameworks (Vandenberg & Lance, 2000); intraclass correlation foundation in Shrout & Fleiss (1979) | Lee J. Cronbach (alpha); multi-group extension in cross-cultural and measurement invariance research |
| نوع≠ | Reliability estimation across groups | Reliability / internal consistency comparison |
| منبع بنیادین≠ | Shrout, P. E. & Fleiss, J. L. (1979). Intraclass correlations: Uses in assessing rater reliability. Psychological Bulletin, 86(2), 420–428. DOI ↗ | Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334. DOI ↗ |
| نامهای دیگر | multi-group temporal stability, cross-group test-retest reliability, group-comparative retest reliability, multi-sample temporal consistency | group-stratified alpha, cross-group alpha comparison, subgroup internal consistency, MG-alpha |
| مرتبط≠ | 5 | 4 |
| خلاصه≠ | Multi-group test-retest reliability evaluates whether a measure produces stable scores across time separately for two or more defined groups — such as different genders, age cohorts, or clinical populations — and determines whether the degree of that temporal stability is equivalent across those groups. | Multi-group Cronbach's alpha estimates and compares the internal consistency reliability of a scale separately within each of two or more defined subgroups. It is used in cross-cultural, demographic, and comparative psychometric research to establish that a scale measures its construct with equivalent precision across groups before making cross-group comparisons. |
| ScholarGateمجموعهداده ↗ |
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