Which of the following is an accurate distinction between repeated-measures and independent-measures research designs? Group of answer choices a)In repeated-measures research designs, more participants are needed to have sufficient statistical power. b)In repeated-measures research designs, each participant is measured more than once under a treatment condition. c)In repeated-measures research designs, there is a greater possibility that individuals in one condition are different from those in the other condition due to factors beyond the research focus. d)In repeated-measures research designs, each participant is measured once under a treatment condition

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