You are working out at the local gym. The man next to you, who appears to be around 60 years old, is sitting on the floor stretching. As he gets up from the floor he appears a little pale and sweaty, then suddenly becomes unconscious. Before you have time to ask if he is OK, he wakes up and tells you that he is OK and that you should not worry, that this kind of thing happens to him occasionally. What do you think is most likely to have happened

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