Week 1 Activity – Research Methods All questions are worth 2 points. 1. Dr. T i

Week 1 Activity – Research Methods
All questions are worth 2 points.
1. Dr. T is interested in investigating aggression among children. To understand aggression better, she sits at a park and watches children play. She writes down any incidents of aggression she sees and takes notes. What type of research design is Dr. T using to understand aggression in this example?
2. After more research, Dr. T finds that children who watch more violent television are more aggressive. What type of correlation is this?
3. Based only on this correlation, can Dr. T conclude that watching violent television causes aggressive behavior? Explain your answer.
Tonya has a theory that music enhances studying. She then hypothesizes that IF music enhances studying, THEN students who study with music will score higher on an exam. She randomly assigns 20 students to listen to music while they study for 3 hours and a different set of 20 students to study in silence for 3 hours. After the study session, all students take an exam scored from 0-100. Use this information to answer the following 3 questions.
4. What type of research design is Tonya using?
5. What is the Independent Variable?
6. What is the Dependent Variable?
Dr. Peabody theorizes that having pets increase joy in a person’s life. He then hypothesizes that IF pets increase joy, THEN people who have pets should smile more than people who do not have pets. Dr. Peabody finds 50 people who own a pet and 50 people who do not have any pets. Dr. Peabody then measures joy by counting the times each person smiles in a 10-minute conversation with him. Use this information to answer the following 4 questions.
7. What type of research design is Dr. Peabody using?
8. What is the Independent Variable?
9. What is the Dependent Variable?
10. How does Dr. Peabody operationally define “Joy”?