Alfred suffers from an extreme and irrational fear of spiders. His fear is exaggerated and disproportionate to the actual danger he might be in if he did encounter a spider. Alfred's fear of spiders is so intense that he would go to almost any length to avoid coming into contact with them. Alfred is most likely to be diagnosed with

Which is the best description of how a scholarship differs from a federal education grant?

Which phrase in the preamble of the constitution means the government should provide peace and order in society.

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.