Sometimes physicians make an incision during childbirth to enlarge the vaginal opening. Such a procedure is called:

Twelve-year-old Arnold received an IQ test score of 75. Using the original definition for IQ, what is his mental age?

A) 9 B) 10 C) 5 D) 7

According to the chapter Mad About Youabout sex differences in jealousy,

which of the following did Buss et al. find in their third and final investigation? (a) the results are not cross-cultural (b) the results hold for every age group (c) the results are stronger for men who have been in a committed relationship (d) the results were opposite for individuals in homosexual relationships