The higher the social rank of a female primate, the: a. greater her access to resources, which results in higher birth rates. b. lower her access to resources and the lower the survival rate of her offspring. c. greater her access to resources, which results in lower birth rates. d. lower her access to resources and the greater the survival rate of her offspring.

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