Which statement best describes social darwinism? people are not like animals but are more cunning and sophisticated. people compete for social stations based on their natural talents. animals compete for survival and the fittest live on. animals and humans are more closely tied than we like to think.

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