Across
- 3. variable: an element that is not changed in an experiment
- 6. group: a group of subjects who are exposed to the variable under study
- 7. variable: the experimenter changes or controls.
- 8. an educated guess
- 9. a summary of the experiment
Down
- 1. a process of testing
- 2. method: a method of investigation in which a problem is solved
- 4. variable: the variable being tested and measured in an experiment
- 5. group: the group in an experiment that does not receive treatment by researchers