Men are viewed as more attractive by women when they are

Psychological aspects of pain perception can influence the release of the neurotransmitters called __________, the body's natural version of morphine

a) endorphins b) substance P c) serotonin d) acetylcholine

Jonah usually does better on IQ tests than Tamara. He would also probably do better:

a. On verbal tasks b. On tasks that include many different activities c. On tasks that require quick choices d. When given extended time to complete the task