A researcher looks at many different research studies on a specific topic and analyzes the combined results of these different studies. What is the researcher engaging in?

Nina is outgoing and friendly–a description that Cattell would refer to as a __________

trait. a. source b. surface c. cardinal d. deep e. central

Which of the following show that medical marijuana is being viewed more positively?

a. Fifteen states and the District of Columbia have legalized the medical use of marijuana. b. The Department of Veterans Affairs announced it would allow patients in hospitals and clinics to use medical marijuana c. In a 2010 survey, 46% of the population supported legalization of marijuana. d. All of the above