| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| In experiments, one group is called the experimental group, the other is called this | the control group DD | $600 | DJ | PSYCHOLOGY | 1989-03-20 | #1056 | |
| Term for reference group to which experiment results of the treated group are compared | the control group | $800 | DJ | PSYCH 101 | 1986-01-10 | #350 |