The purpose of this research is to examine the effects of engineering design-based activities carried out in the sixth-grade Matter and Heat unit on the problem-solving skills of students, and the changes in the designing skills of students during these activities. This research, conducted by following the one-group pre-test -- post-test…

Preservice middle school mathematics teachers' (PMTs) beliefs about a mathematics teacher and mathematics teaching were investigated through the metaphors they generated. Third- and fourth-year PMTs (N = 249) at four universities in Türkiye participated in two anonymous metaphor tasks for a mathematics teacher and mathematics teaching. PMTs'…

Background: The Situated Game Teaching Through Set Plays (SGTSP) model, a newly proposed curricular model, extends the previous game-based approaches by adopting the "Theory of Situated Learning" as a framework to focus on the relational and situational nature of the changing relations of all game parameters in a specific momentary game…

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…

This study aims to examine the effect of problem posing-based active learning activities on students' problem-posing skills and problem-solving achievement. To this aim, an experimental design with pre-test post-test control group was employed. The participants consisted of two groups of sixth graders, one experimental group (N=23) and one control…

The present study aimed to examine the possible influence of writing-to-learn activities on students' academic performance and achievement in social studies course and to collect student opinions in this regard. This study was carried out with a total of 83 (43 in the experimental group and 40 in the control group) 5th grade students studying in a…

This study aims to reveal the causes and consequences of school principals' favouritism behaviours based on teachers' perceptions, and definitions about favouritism behaviour within schools. A descriptive phenomenological design was applied. Data were gathered via face-to-face interviews conducted with 15 public middle school teachers in Turkey.…

A vast amount of contemporary research has been devoted to defining effective school leadership roles and practices and measuring their influence on school processes, structures and outcomes. This paper examines the effects of trust in principals and school leaders' focus on instruction on teacher collaboration and teacher self-efficacy. Using…

The aim of this study is to classify the subjects and skills of middle school mathematics course in the context of MATH Taxonomy and to determine their relations. For this purpose, the questions and answers related to the mathematics subtest of a national exam were analyzed over the answers of 20154 students. The study continued with the analysis…

The present study aimed to test the effect of the problem-posing instruction experimentally based on the extended active learning framework on the development of Turkish middle school sixth-grade students' (N = 19) problem-posing and -solving skills with whole-number operations. The training programme was completed in 13 lessons over a seven-week…

Instructional leadership has begun to be examined as an essential factor in school development research. It has received considerable attention, especially in developing countries, in recent years. This study examined the relationship between school principals' instructional leadership and teacher instructional practices and the mediating role of…

The relationship between language and thinking and the effect of these two skills on each other is accepted by field experts, but the level of the relationship is still a matter of debate. In this research, some part of the relationship between language and thought has been dwelled upon. The aim of the research is to determine the 7th grade…

The aim of this study was to reveal 5th class middle school students' determination skills on the truth value of mathematical propositions about multiplication and division. These skills were evaluated in the context of operation meanings preferred and arguments constructed by the students in the process. The research group consisted of 95…

The aim of this research is to determine the misconceptions among 6th, 7th and 8th grade students about the order of operations in line with arithmetic expressions and posing and solving problems related to arithmetic expressions. The research has a mixed-method research design with concurrent-triangulation design. The study group for the research…

This is a descriptive study which attempts to answer how well 8th grade students define a rectangle. The subjects for this study were 93 of 8 th grade students. The students were administered a written open ended test on the definition of a rectangle which was adapted from Ahuja (1996). Responses of the students were coded by each researcher…