We discuss an original study and two replications conducted over 18 years examining the impact of Teacher Study Group (TSG) in Vocabulary, a professional development (PD) approach for improving pedagogy and student learning. Study 1 focused on the design and development of the PD and included a small-scale randomized controlled trial to assess the…

Grade retention is one of the most discussed and controversial educational measures, and yet, it is still widely applied in many countries. Research investigating the effects of grade retention on students' psychosocial variables presents mixed findings, partly due to the variables assessed, methodological issues, and the length of the studies.…

Several studies and assumptions support the advantages of presenting pictures before texts, such as the Sequencing Effects of Integrated Model of Text and Picture Comprehension (the Sequencing Effects of ITPC Model) and the Scaffolding Assumption. However, few studies have examined the efficacy of text-first or picture-first multimodal input on…

The aim of this study was to compare the 5E learning model with traditional learning methods in terms of their effect on students' conceptual understanding of water subtopics. The participants of the study were grade 8 students of 2021 academic year. While 27 of them were randomly assigned to the experimental group, the other 27 were assigned to…

Although school climate plays an important role in the development of adolescent prosocial behaviors and problem behaviors, little is known about the mechanisms underlying school climate's impact on such behaviors, particularly in Chinese adolescents. This study used a multi-informant approach to investigate the mediating role of social-emotional…

This paper is a study on the grade 8 students' vocabulary achievement using word games. The study was conducted at Kiwalan National High School and aimed to determine the effectiveness of word games as a learning method in improving students' vocabulary achievement. The data was collected through questionnaires and was analyzed through percentage,…

Cognitive development of eighth-grade students, as identified by Jean Piaget, occurs during a time when many of them are transitioning between concrete operations and formal operations where the ability to think in abstract concepts becomes possible. Because of this period of transition, many eighth-grade students find difficulty in demonstrating…

Prompted by the challenges faced by teachers in balancing grammar and content in English classes, coupled with the poor English proficiency of rural Odia medium school students, the study aimed to devise an intervention that could balance content and grammar, thereby enhancing the grammar competency and content comprehension of eighth-grade…

Drawing on the bioecological theory developed by Bronfenbrenner, the researchers of this study examined four environmental systems--microsystem, mesosystem, exosystem, and macrosystem--for gifted children in Israel as perceived by their parents, focusing on a comparison between rural and central contexts. The rural context comprises peripheral…

English has been a particular subject at schools. Most of the students have difficulties in mastering its vocabulary and grammar. Therefore, at this time the researcher conducted a research which aimed to reveal the effects of using whiteboard animation toward the student's vocabulary and grammar mastery. The researchers used the experimental…

Learners need to possess scientific literacy in order to be able to analyze and explain scientific concepts and solve daily life problems. The current study aimed to analyze the potential of the Socio-Science Spirituality learning model to improve the scientific literacy of students at the junior high school level. The sample of this research…

This study aimed to determine the efficacy of a content knowledge and reading comprehension treatment implemented by 8th-grade social studies teachers over the course of 1 school year. We randomly assigned 8th-grade students with reading difficulties to the intervention treatment condition (n = 45) or the business-as-usual comparison condition…

This research aims to investigate the impact of Common Knowledge Construction Model (CKCM) based science education teaching on the entrepreneurship skills of the eight grade students. The participants of this research are 50 students; 25 in control group (10 girls and 15 boys) and 25 in experimental group (9 girls and 16 boys). Quasi-experimental…

Students' ability beliefs about running activities in physical education/athletics classes were investigated longitudinally from the perspectives of Nicholls' conceptions of ability and Dweck's implicit theories of ability. The data for this study were provided by 44 students (20 boys; 24 girls) who participated in a larger longitudinal project on…

Peer bullying in schools is a significant public health problem that contributes to poor health and wellbeing outcomes for those who bully or are bullied. Meta-analyses of the efficacy of secondary school bullying prevention interventions have typically found no effects or an increase in student bullying. Consequently, few secondary school studies…