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 1

Internal consistencies of SPQ-C-D, Compton et al. [24] sample and Raine’s [8] samples.

Subscale names	Items in subscales	SPQ-C-D	Compton	Raine	items
Interpersonal
Social Anxiety	Item 2, item 11, item 20, item 29, item 38, item 46, item 54, item 71	.73	.79	.72, .88	8
Constricted Affect	Item 8, item 17, item 26, item 35, item 43, item 51, item 68, item 73	.56	.71	.66, .65	8
No Close Friends	Item 6, item 15, item 24, item 33, item 41, item 49, item 57, item 62, item 66	.48	.75	.67, .74	9
Cognitive/Perceptual
Unusual Perceptual (Experiences)	Item 4, item 13, item 22, item 31, item 40, item 48, item 56, item 61, item 64	.78	.73	.71, .73	9
(Suspiciousness/Paranoid Ideation) Paranoia	Item 9, item 18, item 27, item 36, item 44, item 52, item 59, item 6	.73	.75	.78, .73	8
Ideas of Reference	Item 1, item 10, item 19, item 28, item 37, item 45, item 53, item 60, item 63	.72	.74	.71, .71	9
(Odd Beliefs/)Magical Thinking	Item 3, item 12, item 21, item 30, item 39, item 47, item 55	.67	.70	.81, .75	7
Disorganization
Eccentric(/Odd) Behaviour	Item 5, item 14, item 23, item 32, item 67, item 70, item 74	.77	.83	.78, .74	7
Odd Speech	Item 7, item 16, item 25, item 34, item 42, item 50, item 58, item 69, item 72	.74	.77	.70, .74	9
Interpersonal		.84	.89		25
Cognitive/Perceptual		.89	.88		33
Disorganization		.82	.86		16
Total scale (based on 9 subscales)		.85	.87		9
Total scale (based on 74 items)		.92	.94	.91, .90	74