What does it need to make people believe about investing, for example in stocks

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

Recall this unit’s essential question: what are the benefits and risks of interdependence? provide examples as evidence from your studies to explain two benefits and two risks of interdependence.

Aconsumer is a buyer of services. true false