A systematic review of evidence for the psychometric properties of the Strengths and Difficulties Questionnaire

In conclusion, the lack of evidence for cultural validity, criterion validity and test-retest reliability should be addressed given wide-spread implementation of the tool in routine clinical practice. The moderate level of consistency between different informants indicate that an assessment of a pre-schooler should not rely on a single informant.
Source: International Journal of Behavioral Development - Category: Child Development Authors: Tags: Methods and Measures Source Type: research