Table 6.
Distribution of error responses on quiz pre-training S-items.
| item | biasa | Other1a | Other2a | chi-sq | p |
|---|---|---|---|---|---|
| S1A | 28 | 7 | 4 | 26.31 | 0.000 |
| S1B | 22 | 8 | 2 | 19.75 | 0.000 |
| S2A | 9 | 1 | 34 | 40.41 | 0.000 |
| S2B | 12 | 4 | 2 | 9.33 | 0.009 |
| S4A | 12 | 29 | 3 | 23.77 | 0.000 |
| S4B | 8 | 11 | 29 | 16.12 | 0.000 |
| S5A | 21 | 9 | 6 | 10.50 | 0.005 |
| S5B | 10 | 15 | 8 | 2.36 | 0.307 |
| S6A | 14 | 14 | 4 | 6.25 | 0.044 |
| S6B | 23 | 7 | 2 | 22.56 | 0.000 |
aNote: Columns show N selections of each foil (samples 1 and 2 combined), where bias indicates a foil that demonstrates sample size neglect, and Other1 and Other2 denote the other two foils in the order they were shown. The Chi-square value tests whether, for items answered incorrectly, the selection of foils is random.