Sixty (35 girls and 25 boys) 9th-grade students' conceptual understanding of the number line was qualitatively assessed through verbal explanations and visual representations. The assessment included an open-ended question focused on students' number line descriptions and the explanations coalesced around six features: sequential ordering (i.e.,…

This study examines the direct and indirect effects of perceived parental academic involvement on student achievement through academic motivation, based on Self-Determination Theory. The study group consisted of 849 ninth-grade students from 12 public high schools in a major urban area in Türkiye. Parental involvement was analyzed through two…

This study aims to examine the mathematical reasoning and proof processes of gifted students within the framework of Toulmin's Argumentation Model. Grounded in the Rich Teaching Model, the instructional design included seven differentiated lesson plans. The research was conducted with two 9th-grade students in a Science and Art Centre over 20…

The study aims to investigate the effect of STEM applications designed for the atomic system and periodic system unit on the scientific creativity of 9th-grade students. The exploratory sequential design, mixed research, is used in the study. The pretest-posttest quasi-experimental design has been preferred for the quantitative part of the study…

In this study, a paper folding activity task, which involved reaching the Pythagorean Theorem with a series of steps was designed. The aim of the task is to reach the Pythagorean Theorem with folding activities by deductive reasoning and logical inference. The study aimed to examine the effectiveness of the task and to share the patty paper…

Mathematical problem-posing and modeling are essential skills in developing students' analytical thinking and problem-solving abilities. This study aims to examine correlation between 9th-grade students' problem-posing and mathematical modeling skills within the learning domain of numbers and algebra. Additionally, it evaluates students'…

This study uses a mixed research method to examine the effects of a five-week intercultural competence (ICC) training program on 9th-grade high school students. Analysis of paired-sample ttests revealed a significant increase in overall ICC levels, particularly in the knowledge and consciousness dimensions, indicating the training's effectiveness.…

In this study, it was aimed to examine the critical thinking dispositions of ninth grade students studying in science high schools in terms of various variables. The sample of the research consists of 98 students studying in the ninth grade of a science high school located in the Central Anatolia Region of Turkey. The UF/EMI Critical Thinking…

The impact of engineering design-based STEM education on 9th-grade high school students' attitudes toward STEM and their problem-solving skills was examined in this study. The subject of factors affecting the heat conduction rate in solids was taught using STEM education. In an experimental design with one group pre-test and post-test, students…

This study investigates the problem-solving strategies employed by ninth-grade students when addressing symbolic and real-world contextual problems involving trigonometric ratios. Conducted with 46 ninth-grade students from a Turkish public high school, this research employed a worksheet consisting of six problems aligned with the Turkish…

It is seen as a need to integrate trainings for the development of life skills of disadvantaged children into schools. It is recommended to plan such activities by drawing attention to the lack of intervention programs for the development of life skills. In this context, the objective of the present study is to examine the effects of out-of-school…

The objective of this study is to conduct an analysis of the social class representations in visual materials utilized in the English language textbook at the 9th-grade level during the 2022-2023 academic year in Turkiye. Employing a descriptive qualitative research design, data were obtained through the documentation method by scrutinizing visual…

This study aimed to investigate the effects of self-assessment implementation on ninth grade students' writing competence and motivation. This study was designed as a quasi-experimental study and obtained quantitative data from questionnaires and writing scores. Qualitative data was gathered from semi-structured interviews conducted with the…

The purpose of this study is to investigate how gamification using Web 2.0 tools affects secondary school students' listening comprehension skills on a German second language course. The sub-purposes are to investigate the study's outputs, such as course interest and academic motivation. The design of the study was action research, which is one of…

In this study, a STEM activity was designed in which 9th-grade students can complete the task of making incubators by overcoming the difficulties they face in the engineering design process. This activity has been handled in the context of energy conversion and prepared based on the engineering design process consisting of 9 stages. The activity…