The acquisition of early literacy skills prior to school can positively influence later educational outcomes. However, children from culturally and economically disadvantaged backgrounds often lack stimulating educational activities at home. This analysis provides empirical evidence for 31 education systems on the association between parental…

Multilevel international data have been released from the Third International Mathematics and Science Study (TIMSS), providing an opportunity to apply multilevel modeling techniques in educational research. In this paper, TIMSS factors are classified in fixed and random categories according to the project design. Classifying fixed and random…

Since studies conducted by the International Association for the Evaluation of Educational Achievement (IEA) have had a dramatic impact on the way in which officials in the United States and the American public think about the performance of our students, it is essential that IEA surveys accurately measure real differences in student performance…