The measurement error in principal components extracted from a set of fallible measures is discussed and evaluated. It is shown that as long as one or more measures in a given set of observed variables contains error of measurement, so also does any principal component obtained from the set. The error variance in any principal component is shown…

The aim of this study is to develop and validate the School's Emotional Climate scale. To this end, 683 teachers working in elementary and middle schools were recruited. An item pool with 39 items was created based on an extensive literature review and expert opinions. The items were reviewed by experts and seven items were dropped out from the…

The purpose of the study is to analyze gifted and talented students' project performances and views about them. In the study, explanatory sequential design, which is one of the mixed method research designs, was applied. In the quantitative phase of the study, project performances of the students were identified, while, in the qualitative phase,…

Existing measures of test anxiety used with the college student population are old with old norms and old items, and they do not capture the multiple dimensions of the test anxiety construct or assess facilitating anxiety. In the present study, the validity of the scores of a new, multidimensional measure of test anxiety with a facilitating…

This paper focused on the improvement of student's assessment feedback and learning satisfaction in the higher education institutions in Oman using the E-learning system of University Communication Model (UCOM). During the study, an E-learning model was conceptualized using coursework program instruction, testing academic performance, faculty…

The accuracy and consistency of peer marking, particularly when students have the power to reward (or penalise) during formative and summative assessment regimes, is largely unknown. The objective of this study is to evaluate students' ability and behaviour in marking their peers' teamwork performance in a collaborative group assessment context…

The purpose of this study is to analyze the sportspersonship orientations of students studying in the faculty of sports sciences/school of physical education and sports by different variables. The population of this descriptive research is composed of the students studying in faculty of sports sciences/school of physical education and sports in…

We provided evidence regarding the reliability and validity of measures of assets and life satisfaction (LS) for adolescents with autism spectrum disorder (ASD). We identified levels of LS within this population, compared these levels to those of typically developing adolescents, and described the relation between assets and LS. Forty-six…

This research study aims to evaluate the graduate theses and articles conducted on the concept of instructional leadership over the period between 2002 and 2017 in Turkey by means of methodological and statistical analysis techniques. In the study, which is configured by using the case study design as one of the qualitative research methods, the…

The aim of the study is to verify employers and university students' perception of the importance of professional and soft competencies that is placed on the position of financial accountant in the Czech Republic. The study is based on the international knowledge oriented to the difference between university students and employers in perception of…

A socio-scientific issue is one of the learning techniques used today, which uses various scientific sources to make students think scientifically to conduct a dialogue and discuss solving a problem. Various problems in socio-scientific are controversial, requiring reasoning, and ethical evaluation in the decision-making process. A conflict…

In programming, one problem can usually be solved using different logics and constructs but still producing the same output. Sometimes students get marked down inappropriately if their solutions do not follow the answer scheme. In addition, lab exercises and programming assignments are not necessary graded by the instructors but most of the time…

In classroom learning, students need mathematical cognitive flexibility to be able to solve mathematical problems with the various ideas they express. To solve the problems, they must be able to grasp the problem, see it from various points of view, and should not be rigid thinking with one solving method. In fact, the students still lack the…

In studies of educational achievement, students' self-reported number of books in the family home is a frequently used proxy for social, cultural, and economic background. Absent hard evidence about what this variable captures or how well, its use has been motivated by strong associations with student outcomes. I show that these associations rest…

The aim of the study is to develop a scale named Classroom Life Perception Scale (CLPS) for determining the classroom life perceptions of the students toward lessons. The proposal scale, composed of 44 items, was applied to 2 study groups. The group of Exploratory Factor Analysis that aims to determine the psychometric properties especially the…