Table 1.
Description of the test items and their factor values (FV) in model 1. PIQ: perception of inclusion.
| Self-Movement a [29] | FV | |
| Balancing | The child walks across an overturned long bench without stepping off the bench. | 0.67 |
| Rolling | The child performs a forward roll down an inclined mat and is able to land fluently in a standing position on his/her feet. | 0.41 |
| Jumping | The child continuously jumps a distance of 3.0 m on one foot, turns around, and jumps back 3.0 m on the other foot. | 0.69 |
| Running | The child runs forward along a corridor (0.6 m × 4.0 m) to a wall, touches it with his/her hand, and then runs back backwards. | 0.67 |
| Object Movement a [29] | FV | |
| Throwing | The child throws six juggling balls at a target of 1.1 m height at a distance of 1.5 m with overhead throws. | 0.45 |
| Catching | The tester drops a small basketball to the ground from a height of 1.5 m so that the ball bounces back up at least 1.1 m from the ground. The child catches the ball after it reaches the highest point. | 0.75 |
| Bouncing | The child bounces a small volleyball with both hands and catches it again without losing the ball. | 0.71 |
| Dribbling | The child dribbles a futsal ball through a marked corridor (2.8 m × 9.0 m) around two obstacles without stopping or losing the ball. | 0.57 |
| Social Integration b (from the Teacher’s Perspective) [31] | FV | |
| PIQ 1 | He/she has a lot of friends in his/her class. | 0.81 |
| PIQ 2 | He/she gets along very well with his/her classmates. | 0.70 |
| PIQ 3 | He/she feels alone in his/her class (-). | 0.42 |
| PIQ 4 | He/she has very good relationships with his/her classmates. | 0.48 |
| Interpersonal Relationship Skills c (from the Parent’s Perspective) [32] | FV | |
| KOMPIK 1 | Your child plays with many different children (is not restricted to individual children). | 0.65 |
| KOMPIK 2 | Your child is sought after as a playmate. | 0.90 |
| KOMPIK 3 | Your child has close friendships with other children. | 0.39 |
| KOMPIK 4 | Your child is important to other children, has influence in the group | 0.69 |
Notes: KOMPIK: kompetenzen und interessen von kindern (in German); a 0 points, 1 point, 2 points; b 0 = strongly disagree, 1 = disagree, 2 = agree, and 3 = strongly agree, (-) = reversed coding; c 0 = disagree, 1 = somewhat disagree, 2 = somewhat agree, 3 = mostly agree, and 4 = agree.