Table 3. Internal consistency and reliability of MCQ-A scores.
| Cronbach’s alpha | Reliability (Pearson r) | Mean T1 | Mean T2 | CI | % | |||
|---|---|---|---|---|---|---|---|---|
| C-H | N = 214 | C-H | n = 64 | n = 64 | n = 64 | n = 64 | n = 64 | |
| MCQ-A30 | 0.91 | 0.842 | .34 (p = .017) | .77 (p < .001) | 66.53 (7.71) | 62.68 (9.29) | [63.44;69.62] | - |
| MCQ-Af27 | - | 0.852 | - | .78** | 58.49 (8.10) | 54.85 (9.20) | [55.56;61.42] | 68.75 |
| MCpos | 0.88 | 0.807 | 0.77 | .73** | 12.25 (3.41) | 11.59 (3.67) | [10.81;13.69] | 67.19 |
| MCneg | 0.84 | 0.726 | 0.24 | .78** | 14.02 (3.46) | 13.64 (4.01) | [12.74;15.30] | - |
| MCneg-Q2 | - | 0.783 | - | .75** | 11.97 (3.43) | 11.42 (3.8) | [10.56;13.38] | 62.25 |
| Confidence | 0.81 | 0.811 | 0.8 | .76** | 10.91 (3.22) | 11.01 (3.67) | [9.63;12.19] | - |
| Confidence-Q14 | - | 0.844 | - | .71** | 8.3 (3.28) | 8.12 (3.02) | [6.93;9.67] | 71.88 |
| Control | 0.66 | 0.684 | 0.9 | .77** | 12.88 (3.82) | 11.50 (3.73) | [11.52;14.24] | 70.31 |
| Conscience | 0.79 | 0.732 | 0.83 | .69** | 16.43 (3.41) | 14.81 (3.61) | [14.84;18.02] | - |
| Conscience-Q12 | - | 0.754 | - | .63** | 13.69 (2.93) | 12.30 (3.14) | [12.05;15.33] | 81.25 |
Results in Cartwright-Hatton and al. (C-H) and our samples of N = 214 and n = 64; MCpos = positive metacognitive beliefs; MCneg = negative metacognitive beliefs. T1 = time of test. T2 = time of re-test. CI = 90% Confidence Interval. % = percentages of participants in the 90% Confidence Interval. In grey: results of MCQ-Af27 without item 2, 12 and 14 (Q2, Q12 and Q14).
** p < .001