Question: An unbalanced sample size (i.e., n A n B ) is more powerful than a balanced design (i.e., n A = n B ) in

An unbalanced sample size (i.e., n_An_B) is more powerful than a balanced design (i.e., n_A= n_B) in the two independent-samples t-test when the total N is fixed (i.e., N = n_A+ n_B= a fixed number).

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