The purpose of this explanatory sequential mixed-methods study was to assess the impact of the STEM integration program on third through fifth grade students' achievement scores in mathematics and science in an urban northeastern Georgia school district. In Phase 1, a quantitative research design was used to examine and compare student achievement…

An experimental science curriculum for primary school was introduced in Croatia for the 1st time in the 2023/24 school year. This is taking place against the backdrop of a shortage of teachers from various science subjects, especially physics. They are increasingly being replaced by non-professional teachers, often those with a Master of Primary…

Project-Based Learning (PBL) is a teaching method in which students learn by actively engaging in real-world, personally meaningful projects that allow conceptual transformation to occur within the educational process while fostering intellectual curiosity in a supportive learning environment. PBL supports students developing deep content…

Science scores among US fourth-grade students have declined compared to their international counterparts in recent years. Recent results show that teachers are the most impactful influence on student success and accountability. Teacher preparedness and professional development are two key areas that serve as indicators of providing relevant and…

We investigated two research questions: which students are more likely to respond inconsistently to mixed-worded questionnaire scales, and which country samples have larger shares of inconsistent respondents? We defined an inconsistent response as strongly agreeing or disagreeing with both positively and negatively worded items of the same scale.…

Background: In recent years, data derived from international large-scale assessments have significantly influenced the discourse surrounding educational equity. However, the use of such data has often neglected the full spectrum of dimensions that equity encompasses, while being limited to exploring the relationship between achievement variations…

Becoming proficient in scientific discourse such as argumentation or developing explanations can be challenging for students, including neurodivergent students (e.g., autistic students, students with learning disabilities, students with ADHD). Students need to practice developing arguments and explanations as well as sharing their conclusions with…

This paper extends existing work on teacher weighting in student-centered surveys by looking into aspects of practical implementation of deriving and using weights for teacher-centered analysis in the Trends in International Mathematics and Science Study (TIMSS) and the Progress in International Reading Literacy Study (PIRLS). The formal…

Inquiry-based science instruction has been proposed as an optimal learning environment for language-integrated teaching. While its potential for developing both content knowledge and language skills has been shown for students with limited language proficiency, research focusing on mainstream classrooms has mainly considered domain-specific…

This study aimed to determine attitude levels of primary school students towards science courses and to examine them in terms of different variables (gender, reading books/journals about science courses, watching broadcasts about science courses, grade in science courses, use of laboratory and use of technological applications). The sample of the…

Using IEA's TIMSS (Trends in International Mathematics and Science Study) 2019 data, this brief examines gender differences in parental involvement with their child's education measured through participation in early home learning activities. We find that engaging children in home learning activities before entering primary school is associated…

This paper reports the results of a quasi-experimental study that evaluated the effectiveness of collaborative mind mapping in three Hong Kong primary schools. More than 200 grade 4 students, divided into three pedagogical groups, participated in a variety of science learning activities with the aid of a mind map and/or collaborative group work.…

In this article, we extend Liao's test for across-group comparisons of the fixed effects from the generalized linear model to the fixed and random effects of the generalized linear mixed model (GLMM). Using as our basis the Wald statistic, we developed an asymptotic test statistic for across-group comparisons of these effects. The test can be…

International Large-Scale Assessments (ILSAs) have had significant impact on education policy across the globe. But has interest in ILSAs now started to wane? This paper presents new evidence on this issue, exploring how the amount of attention three major ILSAs receive compares across countries, between studies and over time. Using information on…

An abundance of empirical evidence indicates that spatial ability is significantly correlated with educational performance in science, technology, engineering, and mathematics (STEM) fields. Previous studies have explored the relationship between spatial ability and science achievement in adults. However, the relationship between spatial ability…