Which of the following statements about developing economies is false?
A.
Many people still live in poverty.
B.
Most people work in the tertiary sector.
C.
Countries with developing economies are moving toward greater prosperity.
D.
GDP per capita is in the middle range, compared to the countries of the world.

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