International comparative assessments of student achievement are constructed to assess country-level differences and change over time. A coherent understanding of the international trends in educational outcomes is strongly needed as suggested by numerous previous studies. Investigating these trends requires long-term analysis, as substantial…

To expand our understanding of script-general and script-specific principles in the learning of letter names, we examined how three characteristics of alphabet letters -- their frequency in printed materials, order in the alphabet, and visual similarity to other letters -- relate to children's letter-name knowledge in four languages with three…

To expand our understanding of script-general and script-specific principles in the learning of letter names, we examined how three characteristics of alphabet letters -- their frequency in printed materials, order in the alphabet, and visual similarity to other letters -- relate to children's letter-name knowledge in four languages with three…

Describes the development of the Readiness Inventory (RI), a measure of readiness for first grade. The RI was completed on 139 first-grade children and analyzed using a model of Item Response Theory. Findings indicate that behaviors dealing with academic skills are less indicative of readiness than abilities dealing with role-governed behaviors or…

Strategies are actions and behaviours used by the writer to solve problems in the writing process. These actions and behaviours reflect four clusters: meta-cognitive, cognitive, social, and affective processes. The goal of the overall study with 352 children was to check the effect of strategy usage on written output. Three research windows were…

It has previously been shown by M. Beller (1990) that an additive tree (Addtree, a hierarchical tree representation of similarity data developed by S. Sattath and A. Tversky in 1977), may be useful for representing the structure between tests and items through the similarity among them as measured by their intercorrelations. In this study, the…

A study involving 453 pairs of Israeli parents and teachers used an item response theory measurement model(IRT) to examine the 28-item Conners Teacher's Rating Scale (CTRS) for diagnosing attention deficit hyperactivity disorder. IRT analyses revealed structural inadequacies involving the inappropriateness of the 4-point Likert-type scale used by…

This study used a diagnostic testing approach to compare the mathematics achievement of eighth-grade students across a sample of 20 countries, analyzing data from the Third International Math and Science Study-Revised (TIMSS-R, 1999). Using the rule-space method, student mastery was measured on 23 specific content knowledge and processing…