In the 50 Texas counties with no county attorney, this function is performed by

In a hierarchical multiple regression analysis

a. the researcher determines the order in which variables enter the analysis b. predictor variables that account for more variance in the outcome variable enter the regression equation first c. variables are entered into the regression equation in sets d. only variables that increase R2 enter the regression equation e. only predictor variables that predict unique variance in the outcome variable enter the equation

Though the balance of powers between the legislative and executive branches has been the source of controversies, there are positives to having a presidential dominance over foreign policy. Which of the following is such a positive element?

A) The president has the ability to act quickly and unilaterally to stop the formation of upstart governments that are hostile to U.S. interests. B) The U.S. government is able to act immediately and decisively in response to developments abroad. C) A large body such as Congress is rarely capable of reaching a suitable solution in the necessary amount of time. D) Congress rarely gets beyond partisan politics in making decisions on foreign policy, so a strong president needs to act in the place of Congress. E) Allowing Congress to override presidential prerogatives serves only to encumber the process of responding decisively.