| Frequency of explanation (%) | Relationship to performance |
---|---|---|
Verbal label | 48 | U = 1346.00, p = .67, r = -0.04 |
Percentage | 6 | U = 234.50, p = .28, r = -0.10 |
Proportion-word | 27 | U = 1017.50, p = .46, r = -0.07 |
Proportion-notation | 36 | U = 1133.00, p = .26, r = -0.11 |
Pie chart | 16 | U = 735.50, p = .78, r = -0.03 |