Large-scale international studies offer researchers a rich source of data to examine the relationship among variables. Machine learning embodies a range of flexible statistical procedures to identify key indicators of a response variable among a collection of hundreds or even thousands of potential predictor variables. Among these, penalized…

Purpose: Given the unclear relationship between cognition and affect, this article reports on a study exploring how the conative variable of values may provide some explanation for students with excellent performance despite a negative attitude toward mathematics. Design/Approach/Methods: The study reported in this article represents Korea's…

Background: National ranking from the triennial Programme of International Student Assessment (PISA) often serves as a barometer of national performance and human capital. Though excessive student- and school-level covariates (n > 700) may prove intractable for traditional least-squares estimate procedures, shrinkage methods may be more…

The objective of the study was to examine the direct, indirect, and total effects of computer uses on math achievements, by paying particular attention to immigrant students. The study focused on two types of computer uses: computer use for programming and computer use for practice. By using the data from Program for International Student…

The Program for International Student Assessment Young Adult Follow-up Study (PISA YAFS) is a new study that allows research into the characteristics, cognitive skills, and other life outcomes of young adults as they transition from high school to postsecondary life. This Research and Development report provides a snapshot of outcomes at the…

The Program for International Student Assessment (PISA) by the OECD measures student study time during formal school periods and during periods of out-of-school-time (OST). The purpose of these items is to account for differences in country to country achievement levels. However, analyses of the impact of additional study time on student…

This study aims at determining the extent to which computer using skills specified in Project for International Students Evaluation (PISA) 2006 predict Turkish students' achievement in mathematics. Apart from questions on mathematics, science and reading competencies, a student questionnaire, a school questionnaire and a parent questionnaire were…