Andrew is no smarter than his graduate school classmates, but his self-discipline and passionate dedication to long workdays resulted in notably superior academic accomplishments.; Andrew's unusual level of success best illustrates the importance of

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

Which of the following statements about culture and self-esteem is the most accurate? people from western cultures are more likely to say or do things to enhance other people's self-esteem (relative to people from asian cultures). the japanese praise each other for their achievements more often than americans do. people from asian cultures generally feel worse about themselves than people from western cultures. americans utter many more self-complimentary statements during conversations (relative to japanese individuals).

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.