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- 1. Multiple Choice
A researcher randomly assigned students to two groups. One group was assigned to watch a violent television program while the other group watched a nonviolent program. The student's behavior was then recorded for incidences of aggressive behavior. Which research method is most appropriate?
experimental
census
sample survey
observational study
- 2. Multiple Choice
Dr. Larson was interested in whether classical music helps students perform better on a test. Dr. Larson randomly assigned half of the study's participants to a group that listened to classical music while taking a test. The other half of the participants did not listen to music while taking a test. Which research method is most appropriate?
sample survey
experiment
observational study
census
- 3. Multiple Choice
Jane Goodall lived among wild chimpanzees intermittently for decades, studying their social and family systems while keeping her interaction with the chimpanzees to a minimum. Which research method is most appropriate?
biased study
census
experiment
observational study
- 4. Multiple Choice
A psychologist designed a study to test the effects of cell phone use on driving safety. Participants were randomly assigned either to drive an automobile simulator while talking to a friend on a cell phone or to drive a simulator without talking on a phone.
Which type of research does the scenario describe?
Census
Observational Study
Sample Survey
Experiment
- 5. Multiple Choice
To test the effects of eating breakfast on test grades. I randomly select half of my students and feed them breakfast while giving the other half nothing to eat. I then give them all a test and compare the test grades of each group.
Is this an experiment or an observational study?
Experiment
Observational study
Neither
Both experiment and observational study.
- 6. Multiple Choice
A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym. Is this sample biased or unbiased?
Biased
Unbiased
Not able to be determined.
Both Biased and Unbiased.
- 7. Multiple Choice
Ghala wanted to know what the most popular book was in the whole school, so she asked everybody in 11th grade what their favorite book was. Which research method is most appropriate?
Sample Survey
Census
Experiment
Hypothesis Test
- 8. Multiple Choice
Osman wanted to know what this weekends favorite movie was among RBHS students so he asked everyone at RBHS and counted the number of movie preferences.
Which research method is most appropriate?
Census
Sample Survey
Experiment
Biased Sample
- 9. Multiple Choice
A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seat belt.
Which research method is most appropriate?
Observational Study
Experiment
Census
Correlation
- 10. Multiple Choice
Four groups of randomly selected people are assigned a different diet. After six months, the blood pressures of each group are compared.
Which research method is most appropriate?
Observational Study
Experiment
Census
Sample Survey
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