One of the main objectives of international large-scale assessments is to make comparisons between different countries, education policies, education systems, or subgroups. One of the main criteria for making comparisons between different groups is to ensure measurement invariance. The purpose of this study was to test the measurement invariance…

Students engagement with school is a concern of the educational community, research and policy makers. It has been conceptualized as a multidimensional construct conditioned by several individual and contextual factors, namely personal, family, social and academic variables. Regarding academic variables, school retention is a controversial option,…

Reading comprehension is an important skill throughout all stages of education. However, Portuguese pupils still demonstrate difficulties in understanding what they read. In addition to cognitive and psychological factors, it is important to understand how this skill is addressed in textbooks. Here, we examined how reading comprehension is…

This study analyzed the effectiveness of an elementary school Social and Emotional Learning (SEL) program during middle school transition in Portugal, and the influence of gender, classroom size and student's perception of two school climate dimensions (student-student relationships and teacher-student relationships) upon its effectiveness.…

It is well-documented that academic achievement is associated with students' self-perceptions of their academic abilities, that is, their academic self-concepts. However, low-achieving students may apply self-protective strategies to maintain a favorable academic self-concept when evaluating their academic abilities. Consequently, the relation…

Principals (policy makers) have debated the progress in U.S. student performance for a half century or more. Informing these conversations, survey agents have administered seven million psychometrically linked tests in math and reading in 160 waves to national probability samples of selected cohorts born between 1954 and 2007. This study is the…

The Trends in International Mathematics and Science Study (TIMSS) 2015 is the sixth administration of this international comparative study since 1995 when first administered. TIMSS is used to compare over time the mathematics and science knowledge and skills of fourth- and eighth-graders. TIMSS is designed to align broadly with mathematics and…

This article discusses the heterogeneity in children's appropriation and use of the internet that make up contemporary digital divides. Based on a survey of Portuguese children in mandatory education (8- to 17-year-olds), it relies on multivariate statistical procedures to build a topological mapping of internet use patterns. Variations in digital…

The guiding principles and procedures for pupil assessment in Portuguese compulsory education were established by the Implementing Order No. 1/2005, 5th January, with amendments introduced by the Implementing Orders No. 18/2006, 14th March and No. 5/2007, 10th January, and apply to the learning objectives and competencies defined for the various…