Precision Estimation in Zelen's Single-C
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J. P. Matts; R. B. McHugh
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Article
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1993
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John Wiley and Sons
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English
โ 284 KB
The precision of a treatment contrast, as conventionally estimated in Zelen's Single-Consent Design, is shown under randomization theory to be positively biased. The magnitude of this bias is demonstrated and a new statistic is derived which is a consistent estimator of the precision. Confidence int