The Dimensional Structure of the Schizotypal Personality Questionnaire Adapted for Children (SPQ-C-D): An Evaluation in the Dutch Population and a Comparison to Adult Populations

Table 5

Total score and domain scores for the different age groups.

Age group	Total Score			Interpersonal		Cognitive/Perceptual		Disorganization
		M	sd	M	sd	M	sd	M	sd
9	39	16.7	9.2	8.3	4.2	6.5	5.4	3.4	3.1
10	45	19.2	12.9	8.6	6.2	7.6	7.3	4.7	3.5
11	39	16.6	12.1	7.5	5.0	6.2	6.6	4.3	3.6
12	36	15.5	11.6	6.5	5.2	5.6	5.7	4.7	3.7
13 + 14	27	15.2	11.0	6.6	5.5	6.4	5.3	3.9	3.7
15–18	33	13.2	10.2	5.3	4.9	5.5	5.6	3.6	3.6
Total	219	16.3	11.4	7.3	5.3	6.4	6.1	4.2	3.5
Compton et al. [24]	757	23.2	13.7	10.2	7.0	10.5	6.7	5.3	4.1
-value		6.8		5.7		8.1		3.6
Effect size ()		.54		.46		.64		.29

Notes: df = 974; all values <.001.