Question 7: Coffee drinkers may be more likely to engage in other behaviors that put them at risk, such as smoking cigarettes or not exercising regularly.
Question 8: Both the viscosity of asphalt and the crime rate go up when the temperature is high -- for example, on a hot summer day or night. Question 9: No. Perhaps people with high levels of the antigen were healthier and thus more likely to have sex. Or maybe there is some unknown third variable that makes people healthier and more likely to have sex. Question 10: a) What kind of research is described here? b) Explain your answer thoroughly. Why is this the kind of research you are saying it is? ANSWERS: a) experiment b) This is an experiment because there is a control group and a treatment group where behavior in the subjects is being controlled and compared. Subjects were randomly assigned to the two groups. Question 11: Why do these legitimate questions lead to research? ANSWER: These questions are the theoretical basis for the hypothesis. Legitimate questions are the first step in forming and testing theories. First questions are asked and then a hypothesis is formulated from the questions. Finally, the hypothesis is tested. Question 12: What kind of research would this be? ANSWER: Observational experimental research Question 13: Referring to module 1 in your textbook, what do you think is a randomized clinical study? ANSWER: Subjects are randomly assigned to the control group and to the treatment group.
- Spring '17
- Wendy Smith