The most difficult part of the sampling procedure in sex research is:

The case where a woman is able to have an orgasm during some kinds of sexual activity, such as masturbation, but not during sexual intercourse, is ______ orgasmic disorder.

Freud’s term for sex drive or sex energy is:

The sexual theorist who originated the distinction between “vaginal orgasm” and “clitoral orgasm” was:

People who begin to feel sexual desire as the sexual activity starts are said to have a pattern called _____ desire.

The sexual disorder in men that is most likely caused by psychological rather than physical factors is:

Magazine surveys, such as those done by Cosmopolitan, etc. usually:

Withdrawal is:

Quickening:

Vaginal lubrication occurs because of: