Which statement describes both the first and second industrial revolutions

Why is it economically necessary for the east germans to build berlin wall

Which of these is the best example of a cause-and-effect chain of events? 1. alonzo went to the music festival. 2. carmen went to the same music festival. 3. alonzo met carmen at the music festival. 1. yosef bought a new car from a dealership. 2. bailey bought a car from the same dealership. 3. bailey paid more for his car than yosef did. 1. the high school football team played a game on friday night. 2. the drama club put on a play on friday night. 3. maya watched the football game instead of the play. 1. a fast food restaurant ran an advertisement on television. 2. hank saw the advertisement and got hungry. 3. hank went to the fast food restaurant and bought food.

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