Sample size requirements for estimating intraclass correlations with desired precision
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Abstract
A method is developed to calculate the approximate number of subjects required to obtain an exact confidence interval of desired width for certain types of intraclass correlations in one-way and two-way ANOVA models. The sample size approximation is shown to be very accurate.
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1Topics & keywords
Topics
Keywords
- Intraclass correlation
- Sample size determination
- Confidence interval
- Statistics
- Interval (graph theory)
- Sample (material)
- Mathematics
- Computer science
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