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The percentages of correct and intuitive responses, and the ratings of difficulty for each of the problems in the cognitive reflection test.
| Problems | Correct responses (%) | Intuitive responses (%) | Difficulty ratings (%) |
|---|---|---|---|
| 1. The bat and the ball | 29 | 63 | 84 |
| 2. The machines | 41 | 57 | 76 |
| 3. The pond and the lily pads | 29 | 57 | 69 |
| Overall | 33 | 58 | 76 |
