one piece of evidence bouton uses to support his argument about why some united states political leaders sought to replace the articles of confederation in 1787 was that they

What did economist john maynard keynes believe about deficit spending?

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.

Ms. garcia and ms. ming are both sixth-grade english teachers. ms. garcia, a new teacher at the school, has additional certification in gifted education. ms. ming has been a certified english teacher for a number of years. ms. ming has been overheard in the faculty lounge making negative comments about ms. garcia's professional abilities and personal character. mr. daniels, the sixth-grade history teacher, has heard ms. ming making negative comments about ms. garcia on more than one occasion and he knows that these comments are false. he also knows that ms. ming has been angry that ms. garcia was asked to teach the advanced english class. this is a class ms. ming had expressed a desire to teach. he believes this contributes to her negativity toward ms. garcia. what should he do? * a. mr. daniels should do nothing because he is not directly involved in the disagreement. b. mr. daniels should discuss the situation with the principal because ms. ming is in direct violation of the code of ethics. c. mr. daniels should speak ms. ming and ask her to stop talking about ms. garcia. d. mr. daniels should talk to ms. garcia about letting ms. ming teach the class since she has seniority.