ICCS 2009 Technical Report. Edited by Wolfram Schulz John Ainley Julian Fraillon

Conceptual framework for questionnaire development Development and implementation of the national contexts survey The ways in which students develop civic dispositions and acquire knowledge and Calculating teacher weights School base weight (WGTFAC1) Calculating participation rates ICCS standards for sampling participation Documenting scoring reliability Online data collection for school principal and teacher questionnaires ICCS offered participating countries the option of completing the school and teacher Administering the booklets and questionnaires National Research Center Estimation of changes between 1999 and