Hi who hates life and wants to end all of the pain because i do

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

Which important event brought about the first peacetime draft in the united states? a. the vietnam war b. the civil war c. world war ii d. world war i

In human relations, the irritation threshold is the