1. Dr. Bisell conducts an experiment to see whether hunger makes mice run faster through a maze. He randomly assigns 25 mice to a control group or an experimental group. Which cannot be a confounding variable?

2. Dr. Bisell conducts an experiment to see whether hunger makes mice run faster through a maze. He randomly assigns 25 mice to a control group or an experimental group. Which cannot be a confounding variable?

3. Jordan runs an experiment testing the effects of sugar consumption on aggression levels in children. He randomly assigns 20 subjects either to a control group given sugar-free candy or to the experimental group that was given the same candy that did contain sugar. He then tests the subjects’ response to several diff erent puzzles, each with increasing diffi culty. Jordan hypothesizes that sugar levels do play a role in aggression in children. In order to know whether his hypothesis has been supported, Jordan will need to use:

4. The Hawthorne effect is best defi ned as:

5. In an experiment, Sydney is going to investigate how alcohol aff ects aggression. The number of alcoholic drinks the subject has is called:

6. Jordan runs an experiment testing the effects of sugar consumption on aggression levels in children. He randomly assigns 20 subjects either to a control group given sugar-free candy or to the experimental group that was given the same candy that did contain sugar. He then tests the subjects’ response to several diff erent puzzles, each with increasing diffi culty. Jordan hypothesizes that sugar levels do play a role in aggression in children. In order to know whether his hypothesis has been supported, Jordan will need to use:

7. In an experiment, Sydney is going to investigate how alcohol aff ects aggression. The number of alcoholic drinks the subject has is called:

8. If a researcher is trying to establish a causal relationship between eating breakfast and work performance, the researcher should use which of the following methods of research?

9. Marc, a psychology major, collected survey data about the number of hours that college students study for fi nals and their grades on those finals. His data indicates that students who spend more time studying for fi nals tend to do better than other students. What can Marc now conclude?

10. Marc, a psychology major, collected survey data about the number of hours that college students study for fi nals and their grades on those finals. His data indicates that students who spend more time studying for fi nals tend to do better than other students. What can Marc now conclude?