Which of the following is true regarding current research on cultural differences in physiological arousal?

Most intelligence scales use standardized testing. This is because standardization allows researchers to

A) determine how much of an individual's intelligence is the result of heredity. B) make comparisons across large groups of people. C) avoid stereotype threat. D) determine what makes each person unique.

Studies show that children conceived through donor insemination or in vitro fertilization

A) receive caregiving that is somewhat warmer than children who are conceived naturally. B) are at greater risk for genetic disorders than their naturally conceived counterparts. C) tend to experience severe adjustment problems throughout childhood, including insecure attachment to caregivers. D) are usually well-adjusted until adolescence when they experience a significant rise in psychological problems.