What is a economy on social studies ?

Which of the following policies can the government use to encourage entrepreneurship?

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.

Ed participated in a psychology experiment in which he turned pegs on a board for one hour. although the task was very boring, the experimenter said, "i will pay you $1 if you tell the next participant that this experiment is the most exciting experiment that you have ever been in." julie also participated in the same experiment; however, the experimenter offered to pay her $50 to lie to the next participant. according to cognitive dissonance theory, ed will later report that experiment was and julie will report that it was a. boring; exciting b. exciting; boring c. exciting; exciting d. boring; boring