_____ is a term used by evolutionary psychologists to denote the amount of time and effort men or women must devote to parenthood
a) Parental investment
b) The Yerkes-Dodson index
c) Resolute parenting
d) The child-rearing factor
Answer: a
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Itching appears to be a type of pain message
a. True b. False Indicate whether the statement is true or false
A person who takes a biological approach to understanding mental health disorders is most likely to argue that:
A. disorders should be the same in every culture. B. most forms of talk therapy will have little to no effect. C. most disorders have a genetic basis and so can't be fully cured. D. medicine is likely to be effective as part of treatment.
Colin wants to find out how using fins increases swimming speed. If he uses an independent groups design, he would manipulate the variable by
A. requiring all swimmers to first swim with fins and then without fins. B. having half the swimmers first swim without fins and then with fins and having the other half swim first with fins and then without fins. C. having all swimmers first swim without fins and then with fins. D. randomly requiring half the swimmers to swim without fins and the other half to swim with fins.
Which of the following statistical procedures could be used to measure the relationship between two quantitative variables?
a. Chi-square analysis b. One way ANOVA c. Contingency table analysis d. Bivariate regression