Advanced Placement (AP), 01.09.2020 01:01, tinalmath
Styles Researchers asked 131 college students to listen to a recording of a 20-minute introductory physics lecture. The students were randomly assigned to a male or female lecturer, each of whom read an identical text. While the lecture was playing, a computer displayed what the volunteers were told was a photo of the lecturer—who was highly attractive in some cases and not as fetching in others. (Earlier volunteers had rated some photos of possible “lecturers” for attractiveness, enabling the researchers to pick the best- and worst-looking.) Taking notes was barred.
After the lecture, participants got a 25-item quiz on the material. For those with the attractive instructor, the average score was 18.27; for those with an unattractive one, the average was 16.68. That gap isn't huge, but it is statistically significant, the researchers said.
After being quizzed on the material, participants were asked to evaluate the lecturers. Sure enough, students found the attractive instructors more motivating, easier to follow and possessed of greater health, intelligence and competence. They also generally agreed about the attractiveness of the lecturers.
1. PUT YOUR NAME AT THE TOP OF THIS DOCUMENT
2. What is the independent variable in the study?
3. What is the dependent variable in the study
4. How did the researchers "operationally define" attractiveness?
5. The results were said to be "statistically significant”. What does that mean?
6. Give one possible confounding variable in the study.
7. If the researchers stated that the results had generalizability", what would that mean?
8. In the context of the study, how would the researchers "debrief" the participants?
9. Give one ethical consideration that would fit this study. (Refer to APA Ethical Guidelines on Blackboard)
10 How would another research check the reliability of this study?
11. If Hawthorne Effect affected the results of the study, what happened?
Answers: 2
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Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society
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Styles Researchers asked 131 college students to listen to a recording of a 20-minute introductory p...
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