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…

A study of the Israeli "bagrut" (maturity examination) correlated number of absences from class with class grades ("magen") and with examination grades for 300 students. Although negative relationships were found in both cases, the subjectivity of internally based, subject-teacher assessment makes it a questionable part of the…