In the grocery store one evening, yolanda is in a good mood after earning a promotion at work, but trudy is feeling quite guilty for stealing office supplies from work. when another shopper collapses on the ground unconscious, yolanda would be likely to according to the while trudy would be likely to according to the

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