Measuring socioeconomic status (SES) is very important in educational research, as researchers often use this information to contextualize the results of an assessment or to control for SES when analyzing the relationship between academic achievement and other variables. However, any cross-country comparisons using SES data from international…

In international achievement studies, questionnaires typically ask about the presence of particular household assets in students' homes. Responses to the assets questions are used to compute a total score, which is intended to represent household wealth in models of test performance. This study uses item analysis and confirmatory factor analysis…