1. Why is it important to use not only subjective but also hard data in correlational field studies?
2 Why is it important to use different sources, not same-source data, in correlational field studies?
3. When do you need to gather data at different levels?
4. What is the problem with self-report data in correlational field studies?
5. Define ‘common method variance'. How do you overcome its invalidating effect on survey/correlational field study results?