Cohen, Arthur; Sackrowitz, Harold B. - In: Statistics & Probability Letters 54 (2001) 3, pp. 283-290
Similarity of a test is often a necessary condition for a test to be unbiased (in particular for a test to be uniformly most powerful unbiased when such a test exists). Lehmann (Testing Statistical Hypotheses, 2nd Edition, Wiley, New York, 1986) describes the connection between similar tests and...