A two-factor,independent-measures research study with two levels of factor A and three levels of factor B with n = 10 participants in each treatment condition would require a total of 60 participants.

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A two-factor independent-measures research study with two levels of factor A and three levels of factor B and n = 10 participants in each treatment condition would require a total of 60 participants. This is because each combination of Factor A and Factor B requires its own treatment group with 10 participants, and there are a total of 6 combinations (2 x 3 = 6), thus requiring 60 participants in total.

A Two-Factor,independent-Measures Research Study with Two Levels of Factor a and Three