This article presents information on 2 international educational effectiveness studies, one completed and the other ongoing. The 2nd study is, to a large degree, a reaction to a methodological problem encountered in the 1st study, the lack of an internationally valid instrument measuring teacher effectiveness. This article presents 4 reasons for…

In Flanders, 2 classes per school were selected to participate in TIMSS. Therefore, a multilevel model with an intermediate level could be implemented. The data collection was extended with additional questionnaires and an intelligence test. The empty model revealed that 57% of the variance of mathematics scores was situated at the student level,…

After a drastic mathematics curriculum change in The Netherlands in 1993, a study on the alignment of intended, implemented, and attained curriculum was carried out using TIMSS-99. For benchmarking, identical instruments were used in a neighboring country (Flanders), and for science. Two innovative methodological features were: (1) the teachers'…

Performed a baseline assessment of the new curriculum standards of mathematics for elementary education in Flanders, studying the achievement of 5,763 sixth graders. Overall, the more innovative curriculum standards were less likely to be well mastered. Few gender differences in performance were observed. (SLD)

Studied the development of early numeracy in 207 5- to 7-year-old Flemish children compared with 299 Dutch peers. Results suggest that the Early Numeracy Test (J. van Luit and others, 1994) is moderately reliable and has construct validity. Flemish children lagged at the first assessment but caught up by the third in the middle of the first year…