Question: 1. First you will analyze the study design. (a) (b) What is the purpose of the study? What is the response variable? What are the

1. First you will analyze the study design. (a) (b) What is the purpose of the study? What is the response variable? What are the explanatory variables? Can you explain why body weight was included among the explanatory variables? How were those subjects in the study selected? Can you generalize the results of the study to any well-dened population? What do you think was the reason of selecting students with either low or high fullscale IQs? Can the study be used to demonstrate a causal relationship between brain size and cognitive ability measured by PIQ? Provide brief explanations. Except for gender and brain size, what are other possible variables that may have an effect on performance IQ score of a subject

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