In any research study, what is the ultimate goal in designing a study and testing hypotheses? a. To ensure that hypotheses are as straightforward as possible to facilitate data analysis and interpretation. b. To match participants on as many variables as possible to achieve homogeneity in the study sample. c. To maintain a neutral stance on hypotheses and refrain from favoring any particular outcome during the study. d. To design a study so that the hypothesis or explanation being tested is more plausible than alternative explanations