Which of the following countries grew rapidly from 1980 to 2010, at rates of 8 percent and 10 percent per year? (Choose all that apply.)

In a nonequivalent control-group design, if neither the experimental nor the control group change over time, you might conclude that

A) there is an effect of the independent variable. B) the manipulation of the independent variable had no effect. C) the groups were not equivalent at pretest. D) the effect is due to regression to the mean.

A school district might attempt to overcome __________ segregation by adopting a busing system that increases schools' diversity

Fill in the blanks with correct word