A sequence of cross-sectional and/or longitudinal studies that is designed to overcome the drawbacks of both cross-sectional and longitudinal research is called a(n) study.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

answer; consonant;

answer; control group;