The shanidar site a. is the earliest evidence of modern humans in western europe. b. demonstrates that neandertals practiced cannibalism. c. demonstrates that neandertals intentionally buried their dead. d. contained no hominin remains but is the earliest occurrence of the prepared platform technique.

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