From: The Imperforate Anus Psychosocial Questionnaire (IAPSQ): Its construction and psychometric properties
Source
Percent
Variance explained by measures
33.1
Variance explained by persons
22.1
Variance explained by items
11.0
Unexplained variance
66.9
Unexplained variance in first contrast (a possible second dimension)
12.4 (18.5% of 66.9)