Participants can withdraw from a study at any point even if the study has started

Between 1950 and the present, the average representative's staff

A) increased six fold. B) doubled. C) increased immeasurably. D) decreased slightly. E) dropped by half.

An intentional course of action followed by a government institution or official for resolving an issue of public concern is called

A. Public policy B. Policy analysis C. Policy advocacy D. All of the above