Correlational designs can have greater external validity than experiments because correlational designs ______.
A. better represent the everyday world where we do not manipulate or control events
B. study true relationships while experiments only manipulate relationships
C. are more attractive to participants
D. easier to conduct
Ans: A
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a. Spearman rank-order b. point-biserial c. phi d. Pearson product-moment
Mary Ann and Toby have been married for two years and are very happy. Each feels they receive a high level of support from the other and are very physically compatible. They may have higher than average levels of which hormone?
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a. ?a cognitive map b. ?avoidance conditioning c. ?insight d. ?latent learning