Table 1.
Item statistics for the PIQ student (PIQ-S) and the PIQ teacher version (PIQ-T).
| PIQ-S | PIQ-T | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Category (%) | Category (%) | ||||||||||||||
| No. | Item (student version) | M | SD | 1 | 2 | 3 | 4 | MV | M | SD | 1 | 2 | 3 | 4 | MV |
| Emotional inclusion (αPIQ-S = 0.86; αPIQ-T = 0.92) | 10.49 | 3.18 | 11.83 | 2.81 | |||||||||||
| 1 | I like going to school. | 2.64 | 0.93 | 13.1 | 28.3 | 40.1 | 18.2 | 0.3 | 2.99 | 0.74 | 3.0 | 17.9 | 54.7 | 23.4 | 0.9 |
| 4 | I have no desire to go to school. (–) | 2.66 | 0.97 | 15.2 | 24.0 | 39.8 | 20.7 | 0.3 | 2.98 | 0.88 | 5.5 | 22.2 | 38.9 | 31.0 | 2.4 |
| 7 | I like it in school. | 2.67 | 0.94 | 14.9 | 21.3 | 45.0 | 18.2 | 0.6 | 2.99 | 0.72 | 2.4 | 18.5 | 54.1 | 22.8 | 2.1 |
| 10 | School is fun. | 2.52 | 0.91 | 15.2 | 30.7 | 40.1 | 13.7 | 0.3 | 2.87 | 0.75 | 3.3 | 24.3 | 51.4 | 18.2 | 2.7 |
| Social inclusion (αPIQ-S = 0.76; αPIQ-T = 0.86) | 13.85 | 2.01 | 12.67 | 2.55 | |||||||||||
| 2 | I have a lot of friends in my class. | 3.34 | 0.68 | 1.2 | 8.5 | 45.6 | 44.4 | 0.3 | 2.95 | 0.80 | 2.5 | 26.4 | 43.8 | 26.7 | 0.6 |
| 5 | I get along very well with my classmates. | 3.43 | 0.64 | 0.9 | 5.5 | 42.9 | 50.5 | 0.3 | 3.19 | 0.70 | 1.8 | 11.2 | 52.6 | 33.7 | 0.6 |
| 8 | I feel alone in my class. (–) | 3.66 | 0.66 | 2.4 | 3.3 | 20.1 | 73.9 | 0.3 | 3.35 | 0.83 | 4.3 | 10.0 | 31.3 | 53.2 | 1.2 |
| 11 | I have very good relationships with my classmates. | 3.43 | 0.65 | 0.9 | 6.1 | 42.2 | 50.5 | 0.3 | 3.19 | 0.69 | 1.2 | 12.2 | 51.7 | 33.1 | 1.8 |
| Academic self-concept (αPIQ-S = 0.78; αPIQ-T = 0.95) | 11.65 | 2.47 | 10.64 | 3.62 | |||||||||||
| 3 | I am a fast learner. | 2.83 | 0.85 | 5.8 | 28.6 | 42.6 | 22.8 | 0.3 | 2.61 | 0.91 | 12.8 | 29.8 | 39.8 | 16.7 | 0.9 |
| 6 | I am able to solve very difficult exercises. | 2.72 | 0.82 | 8.2 | 26.4 | 49.8 | 14.9 | 0.6 | 2.60 | 0.99 | 15.2 | 31.3 | 31.0 | 21.9 | 0.6 |
| 9 | I do well in my schoolwork. | 2.93 | 0.77 | 4.0 | 21.6 | 52.3 | 22.2 | 0.0 | 2.62 | 0.99 | 15.8 | 27.1 | 34.7 | 21.3 | 1.2 |
| 12 | Many things in school are too difficult for me. (–) | 3.19 | 0.74 | 3.0 | 10.3 | 51.1 | 35.0 | 0.6 | 2.82 | 1.01 | 11.2 | 27.3 | 28.9 | 31.3 | 2.1 |
N = 329. (–), reversely coded items. 1 = not at all true, 2 = somewhat not true, 3 = somewhat true, 4 = certainly true; MV, missing values. Mean and standard deviation of the scales (in bold) rely on sum scores.