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| تحليل التباين المقارن المخطط× | تحليل التباين أحادي الاتجاه× | |
|---|---|---|
| المجال | الإحصاء | الإحصاء |
| العائلة | Hypothesis test | Hypothesis test |
| سنة النشأة≠ | 2000 | 1925 |
| صاحب الطريقة≠ | Rosenthal, Rosnow & Rubin (modern formalization) | Ronald A. Fisher |
| النوع≠ | Parametric planned comparison | Parametric mean comparison |
| المصدر التأسيسي≠ | Rosenthal, R., Rosnow, R. L. & Rubin, D. B. (2000). Contrasts and Effect Sizes in Behavioral Research: A Correlational Approach. Cambridge University Press. ISBN: 978-0521659802 | Fisher, R. A. (1925). Statistical Methods for Research Workers. Edinburgh: Oliver and Boyd. link ↗ |
| الأسماء البديلة | planned comparisons, planned contrasts, a priori contrasts, Kontrast Analizi — Planlanmış Karşılaştırmalar | one-factor ANOVA, single-factor ANOVA, analysis of variance, tek yönlü ANOVA |
| ذات صلة≠ | 2 | 4 |
| الملخص≠ | Planned contrast analysis is a parametric hypothesis-testing method that evaluates specific, theoretically motivated comparisons among group means — comparisons that the researcher specifies before data collection, not in response to observed patterns. Formalized comprehensively by Rosenthal, Rosnow, and Rubin (2000), the approach assigns a set of contrast coefficients to the groups being compared, with the constraint that the coefficients sum to zero, and then tests whether the resulting weighted combination of means differs significantly from zero. | One-way ANOVA is a parametric hypothesis test that compares the means of three or more independent groups on a single continuous outcome to decide whether at least one group mean differs. It rests on the variance-partitioning framework introduced by Ronald A. Fisher in 1925. |
| ScholarGateمجموعة البيانات ↗ |
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