From: Evaluation of psychometric properties and differential item functioning of 8-item Child Perceptions Questionnaires using item response theory
RSF:8
ISF:8
Means (SD)
Boys
6.9 (3.9)
7.6 (3.8)
Girls
7.1 (3.7)
7.3 (3.5)
Overall
7.0 (3.8)
7.4 (3.7)