Answers are grounded in this paper and cite their sources.
There exist several formulae for sample sizes for testing the equivalence of binomial proportions which are based on approximations by the normal distribution. Quite often these formulae produce drastically different results. In this paper the validity of the approximate sample sizes is investigated with respect to the exact distributions.
No takes yet. Share an insight, caveat, or question.
Hans Frick (1994) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: