Inter-rather reliability of a category system on children's representations of sibling relationships

This work tests the reliabilty of five category systems used to classify th e schoolers responses to a five item questionnaire designed to explore chil dren's representations of sibling relationships. Expert Judges classified c hildren's responses using the category scales. Results show a stability in the classification across judges and the Kappa index Cohen (1960)reached va lues between moderate and good levels.