What is one possible effect of high unemployment in a mixed market economy? a. the government will intervene to appoint new jobs to workers. b. a lack of income will weaken the buying power for many people. c. new government-run farms and factories will open to provide work. d. the wealth gap between the upper and lower classes will decrease.

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design