Optimal Design in Psychological Research
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... Optimal Design in Psychological Research McClelland (1997) s that because of increasing costs related to inefficient research designs, there is more pressure on psychologists to use designs that are more efficient, as well as analytical techniques that are more powerful. In this case, it is proposed that psychologists use some heuristic design principles to enhance design efficiency, as well as answer the specific questions that psychologists want to investigate. Indeed, it is noted that some popular research designs that allocate observations equally and possess numerous factor levels are not efficient in terms of answering the particular questions posed in the research study, while random sampling ...