Dr. Guerrero probably agrees with the __________ theory of psychology, since he contends that humans are intelligent species due to the fact that intelligence gives us an advantage in the natural world.

A nerve is a group of __________ bundled together.

In studying the bystander effect, a researcher is interested in looking at differences between prison guards in China and the United Kingdom. The researcher is taking a(n) __________ perspective in this cross-cultural study.

Dr. Jones has individuals run on a treadmill for 0, 15, or 30 minutes and then measures their self-reported mood. In this hypothetical study, the independent variable is the __________.

Ever since Trey suffered a brain injury by falling from a ladder, his wife has continued to tell his doctor that his personality has changed. He used to be fun loving and carefree, but he is now more critical and yells at his children for seemingly little reason. Trey is likely to have suffered damage to the __________ lobe of his cortex.

Which of the following is an empirical question?

Which pair of scientists shared the most similar views of behavior?

Curare, a poison, works by __________.

GABA functions as __________.

According to humanist Abraham Maslow, when people reach self-actualization, they __________.