From: The Imperforate Anus Psychosocial Questionnaire (IAPSQ): Its construction and psychometric properties
Source
Percent
Variance explained by measures
50.5
Variance explained by persons
19.2
Variance explained by items
31.3
Unexplained variance
49.5
Unexplained variance in first contrast (a possible second dimension)
7.1 (14.4% of 49.5)