Camila is interested in the relationship between student campus engagement and academic success in college. She sets up a booth in the cafeteria on her campus from 12-1 and has people complete a simple questionnaire with 2 questions: How many extra-curricular activities do you participate in, and what is your cumulative GPA. She thinks that the more extra-curricular activities people are involved in the lower their GPA will be because she thinks extra-curricular activities are a waste of time that could be spent studying.

1. evaluate the researcher's hypothesis based upon the properties of a good, scientific hypothesis.
2. What are the two variables the researcher is looking at? Identify both of their constructs and operational definitions.
3. Describe the design and methodology of the research
4. What is the internal validity of this study. What threats to internal validity are present? What steps, if any, could be taken to improve the internal validity of this study?
5. What is the external validity of this study. What aspects may be decreasing the external validity of the study? What steps, if any, could be taken to improve the external validity of this study?
6. What inferential statistical tests should be used to evaluate the results and why? If the results end up being statistically significant, how would you interpret them?
7. What are the basic ethical concerns this researcher should be aware of, and what should the researcher do to ensure this research is conducted ethically and legally?