Question 38 It is common for a president's party to do which of the following? a. Gain control of Congress in a presidential election year and lose control of Congress during the midterm election
b. Lose congressional seats during a presidential election year and gain seats during a midterm election
c. Gain seats in Congress during every election
d. Lose control of Congress during a presidential election year and gain control of Congress during midterm elections
e. Gain congressional seats during a presidential election year and lose seats during the midterm election

Which of the following would a historian most likely study to find data

This description of the "firm league of friendship" of states is a quotation from the

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.