This chapter outlined ____ questions that you can ask yourself to determine if threats to internal validity are present in a study

In meta-analysis,

A) independent variables are converted to dependent variables. B) the number of participants is reduced. C) effect sizes are averaged. D) statistical procedures are held in abeyance.

The United States turned to isolationism following WWI because ________

a. Europe was still very unstable despite the many lives that were lost in an effort to avoid just this b. the United States wanted to protect its successful economic interests c. the United States wanted to solidify its place in the international power structure d. the United States had no overseas interests to protect e. the United States did not want to risk its ever-growing Navy