“Why did wealthy patrons support the arts?”

Who did not believe that land could not be owned

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.

"would you like to hear mademoiselle reisz play? " asked robert, coming out on the porch where she was. of course edna would like to hear mademoiselle reisz play; but she feared it would be useless to entreat her. "i'll ask her," he said. "i'll tell her that you want to hear her. she likes you. she will come." he turned and hurried away to one of the far cottages, where mademoiselle reisz