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Table 2 Analysis of residual variances of the psychological dimension

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)