مقایسهٔ روشها
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| پایایی بازآزمون فرم کوتاه× | آلفای کرونباخ (تحلیل پایایی)× | |
|---|---|---|
| حوزه≠ | روانسنجی | آمار |
| خانواده | Latent structure | Latent structure |
| سال پیدایش≠ | 1990s–2000s | 1951 |
| پدیدآور≠ | Derived from classical test-retest reliability; short-form methodology formalised by Smith, McCarthy & Anderson (2000) among others | Lee J. Cronbach |
| نوع≠ | Reliability estimation | Reliability / internal consistency coefficient |
| منبع بنیادین≠ | Smith, G. T., McCarthy, D. M., & Anderson, K. G. (2000). On the sins of short-form development. Psychological Assessment, 12(1), 102–111. DOI ↗ | Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334. DOI ↗ |
| نامهای دیگر | abbreviated scale temporal stability, short-form temporal consistency, retest reliability of short forms, SF test-retest | coefficient alpha, alpha reliability, internal consistency reliability, Güvenilirlik Analizi (Cronbach Alpha) |
| مرتبط | 4 | 4 |
| خلاصه≠ | Short-form test-retest reliability quantifies how consistently an abbreviated version of a measurement instrument produces the same scores across two administrations separated by a defined time interval. It is a critical validation step whenever a full-length scale is shortened for practical use, confirming that item reduction has not degraded temporal stability. | Cronbach's alpha is a coefficient of internal consistency that quantifies the degree to which a set of items on a scale measures the same underlying construct. Introduced by Lee J. Cronbach in 1951, it remains the most widely reported reliability index in social-science, health, and educational research. |
| ScholarGateمجموعهداده ↗ |
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