Use Means Rotation for a Prespecified Two-Group Question
Use the shared synthetic design-talk dataset to practise deciding when the first ENA axis should align with the difference between exactly two prespecified group means, document the decision, test a defensible alternative, and keep every interpretation tied to source evidence.
نص الدرس المراجع متاح حاليا باللغة الإنجليزية.
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