Excellence gaps are differences in advanced education outcomes among student groups. This study replicates and extends an earlier study on the prevalence and magnitude of excellence gaps based on student sex and immigrant status using Grade 8 TIMSS data. Data were included for the 12 countries that have participated in each TIMSS administration…

The purpose of this study was to compare virtual school students' learning outcomes with traditional school students' learning outcomes in Texas. The research design was a quantitative study using a retrospective causal-comparative design. The researcher used archival state assessment data to compare the learning outcomes of K-12 virtual school…

This study examines the relationship between eighth-grade students' science achievement scores and their home backgrounds (educational resources and parental level of education) in three participating African countries: Egypt, Morocco, and South Africa using the Trends in International Mathematics and Science Study (TIMSS) data of 2019.…

The objectives of this research are: (1) to develop a flipped classroom learning plan using inquiry-based learning on the topic of substance separation for Grade 8 students, to achieve effectiveness according to the 75/75 criteria; (2) to compare science process skills and learning achievement before and after implementing the developed learning…

In Eastern cultures, teaching is challenging due to students' increasing needs for autonomy and refusal to be controlled in traditional ways. Understanding the relationship between autonomy-supportive practices and students' learning outcome is essential for assisting teachers to create supportive learning environment to satisfy the needs for…

Students' mathematics and science motivational beliefs are crucial determinants of their school academic achievement in math and science. The current study aimed to identify the group memberships of students' motivational beliefs in math and science, which are closely related. Furthermore, this study probed the predictive effects of individual…

Biology teachers received professional development to effect instructional changes that ensure student cognitive engagement and knowledge acquisition at higher cognitive levels. We asked the following questions: 1) What are the initial needs of teachers to promote active learner engagement and knowledge acquisition at higher cognitive levels? 2)…

The purpose of this quantitative study was to evaluate the effectiveness of the LearnEd Notebook curriculum when used with two groups of eighth-grade African American male students in teaching science. More specifically, the researcher sought to determine if there was a correlation between the utilization of the LearnEd Notebook Science curriculum…

This study focused on the relationships between teacher characteristics and students' mathematics achievement in EU countries, including Hungary, Italy, Lithuania, Malta, Slovenia, Sweden, and Turkey, which are the only EU countries participated in TIMSS 2015 at the eighth-grade level. The data consisted of the sample of 31,969 eighth-grade…

Advances in embodied learning and the use of gesture has gained greater interest amongst educators and researchers in recent years. The emerging evidence supporting the use of physical enactment rather than just auditory modes of instruction remains unresolved. This paper investigates the pedagogical methods used by a science teacher instructing a…

In the aftermath of the COVID-19 pandemic, many education systems around the world have recognized the value of using technology such as virtual laboratories to teach science subjects. This study aimed to explore the effectiveness of using a virtual laboratory on grade eight students in learning about electricity-related topics. A…

Absenteeism and students' attitudes toward science have an impact on the exam results among eighth-grade students in Malaysia and Singapore. This study employed weighted least squares and quantile regression techniques on the Trends in International Mathematics and Science Study (TIMSS) 2019 data to analyze the net effect of these two factors in…

Research shows that motivation is a critical precursor to students' science achievement. However, research on the topic yields ambiguous results in different cultural contexts. While the positive association between motivation and science achievement has been evidenced universally, the relatively predictive effect and strength of different…

In the present research, the "DNA Model with Clothespins" activity was designed to teach the subjects of nucleotide, DNA, and DNA replication, which are abstract subjects of science. The aim of the research, which was carried out with 20 students in 8th grade, was to examine the effects of the activity on students' achievement on the…

Educators have struggled with maintaining student engagement in science, especially as students transition from primary to middle school and upper grades (Vedder-Weiss & Fortus, 2012). A recent push in science education has been the adoption of the Next Generation Science Standards (NGSS), released in 2013, whose development was guided by…