Researchers have identified a neurotransmitter called _____ that works like THC, the active ingredient in marijuana. Excessive use of marijuana has been shown to reduce the production of this neurotransmitter.

Many studies show that different forms of treatment often appear to work equally well; this point can be attributed to the fact that

a. most people want to get better. b. most people get better with or without treatment. c. different treatments still share many common factors. d. the research studies are very poorly done.

According to Ginzburg, the ________ period is the period in which people explore specific career options, either though actual experience on the job or though training for a profession

A) fantasy B) realistic C) agentic D) tentative