The _________ has primary day-to-day State Department responsibility for formulating and implementing policy with regard to foreign economic matters

The U.S. government's commitment to public education through Head Start, a program for disadvantaged preschool children, reflects Americans' belief in __________

a. balanced government b. political equality c. individualism d. equal opportunity

If you and a friend watched an episode of Family Guy separately and counted the number of violent acts, you are likely to get different counts. Which threat to internal validity explains these results?

a. attrition b. instrumentation c. testing d. diffusion of treatment