Imagine an ethnicity called naim. the naim are descendants of a large population of immigrants who moved to the united states several generations before. the naim are white, but have developed their own distinctive cultural traits. identify the factors that would make someone more likely to claim membership in the naim ethnicity.

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