The analytical hierarchy process is being employed in a project selection decision. one major criteria, cost, receives a weighting value of 40%, which is split into short-term (50%), intermediate term(30%), and long-term (20%). which of these statements is best?

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