In discussing a given set of alternatives and arriving at a solution, group members tend to exaggerate the initial positions they hold. This phenomenon is called .

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

The signing of which document ended the american revolutionary war? a. u.s. constitution b. declaration of independence c. treaty of paris d. treaty of versailles

Why does california have the most seats in the house