Parents have the option of enrolling their children in the first stage of early childhood education (from 0 to 3 years of age). However, not all parents decide to do so, waiting until the second stage of early childhood education to enrol them in the education system (from 3 to 5 years of age), or even until compulsory education when their…

In TIMSS 2015, while two-thirds of students in grade 4 reported feeling very safe at school, by grade 8, less than half of the students surveyed reported feeling a high level of safety. Overall, girls were more likely to report feeling safe than boys. For both genders, feeling safe at school seemed to be positively related to academic achievement…

Over the past two decades, there has been rapid growth in understanding of bullying in schools and its many negative effects. The reported incidence of bullying and other school violence has increased over time, and UNESCO recently estimated that 246 million children and adolescents experience violence in and around school every year (UNESCO…

Prior research shows that establishing early literacy and numeracy skills may help children achieve better outcomes in later schooling. Data from the Regional Project on Child Development Indicators (PRIDI), which focused on Costa Rica, Nicaragua, Paraguay, and Peru, provided insights into four domains of child development that build the…

Classmates can influence a student's academic achievement through immediate interactions (e.g., academic help, positive attitudes toward reading) or by sharing tangible or intangible family resources (books, stories of foreign travel). Multilevel analysis of 141,019 fourth-grade students' reading achievements in 33 countries showed that…

PIRLS (Progress in International Reading Literacy Study) was inaugurated in 2001 as a follow-up to International Association for the Evaluation of Educational Achievement's 1991 Reading Literacy Study. Conducted every five years, PIRLS assesses the reading achievement of young students in their fourth year of schooling--an important transition…

Instructional written materials play important roles as teachers' agents in effective teaching practices. Worksheets are one of the most frequently used materials. In this exploratory study, the relationships between worksheet usage and science achievement in 32 countries were examined through the use of TIMSS and PIRLS data and multiple…

Instructional written materials play important roles as teachers' agents in effective teaching practices. Worksheets are one of the most frequently used materials. In this exploratory study, the relationships between worksheet usage and science achievement in 32 countries were examined through the use of TIMSS and PIRLS data and multiple…

Merging National Assessment of Educational Progress and Trends in International Math and Science Study math data, this study examines the extent and sources of variation in value-added academic growth patterns among different nations and U.S. states. Applying hierarchical linear models with an instrumental variable method, the study disentangles…

The "TIMSS 2011 International Results in Mathematics" summarizes fourth and eighth grade student achievement in each of the 63 countries and 14 benchmarking entities which participated in TIMSS 2011. The report includes trends in mathematics achievement over time for participants in the previous TIMSS 1995, 1999, 2003, and 2007…

For more than 50 years, the International Association for the Evaluation of Educational Achievement (IEA) has been conducting comparative studies of educational achievement in a number of curriculum areas, including mathematics and science. TIMSS 2011 represents the fifth cycle of the Trends in International Mathematics and Science Study (TIMSS),…