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Hennessy, Mary Dawn - IUPUI

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Sample Size Calculation<br />

• Meal frequency primary outcome<br />

• Power calculation based on 30% difference<br />

between groups<br />

• Alpha = 0.05, power 80%<br />

• n = 80 (40 per group)<br />

(Herrmann et al., 2001; Siega Riz et al., 2001)<br />

The Center for Symptom Management

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