Objective: The aim of the present study was to test the factorial invariance and convergent validity evidence of scores on the Somatic Symptom Scale (SSS)-8 with a national sample of adults living in the United States. Method: A data collection contracting service was hired to recruit a national, non-clinical sample (N = 821) of adults in the…

The insertion of Machine Learning (ML) in everyday life demonstrates the importance of popularizing an understanding of ML already in school. Accompanying this trend arises the need to assess the students' learning. Yet, so far, few assessments have been proposed, most lacking an evaluation. Therefore, we evaluate the reliability and validity of…

Classrooms are complex learning environments, with instruction, climate, and teacher--student interactions playing important roles in students' academic progress. To investigate the learning environments of deaf and hard-of-hearing (DHH) students, we developed a new observational tool called the Quality of the Learning Environment-DHH rating scale…

The Music Performance Self-Efficacy Scale (MPSES) is an important scale designed to reflect the four sources of self-efficacy of Bandura by Zelenak, and has been used in many studies of music education in the international literature in recent years. This study was carried out to ensure the validity and reliability of the Turkish translation of…

The field of geometrical optics features a broad knowledge base concerning conceptual learning difficulties and student conceptions. However, in contrast to other areas of physics, no widely used standard test instrument exists to assess middle school students' conceptual knowledge of geometrical optics. This is even more true for other areas of…

The rapid advancement of digital technology has not only affected the world of work but also students' learning. Digital learning competence (DLC) is one of the essential skills students need for effective learning in a digital environment. Despite the significant presence of secondary vocational school students in China, constituting one-third of…

In the current article, we describe the development and validation of the Social Comparison Rumination Scale. This measured was developed as a supplement to existing social comparison measures and to enable us to determine its potential relevance to perfectionism and other personality constructs. The Social Comparison Rumination Scale (SCRS) is a…

The use of drawing as an assessment tool to reveal students' conceptions in biology specifically on human organs and organ systems is not new, however, there is a deficit in the literature that attempted to explore and reflect on its usefulness and relevance specifically, in eliciting students' preconceptions related thereto. Making use of a…

In this study, it is aimed to develop a scale to determine the nomophobia levels of adolescents. The study included 884 adolescents aged 10-18. The theoretical basis was created by first reviewing the literature to reveal the structure of nomophobia in adolescents, which is the feature to be measured in the study. Similar scales were taken as a…

The Theory of Successful Intelligence defines intelligence as the integrated set of abilities and competencies in specific domains needed to attain success in life. Informed by this theory, we examined the dimensionality, reliability, and validity of an augmented intelligence test, Aurora-a, a 17-subtest assessment of analytical, practical, and…

A recent report from the Progressive Policy Institute examines the impact of charter schools on the achievement of students who remain enrolled in traditional district schools. It is centered around a graph that depicts a strong positive relationship between the percentage of students enrolled in charter schools and decreases in the achievement…

Procrastination in academic contexts is thought to have a negative effect on students' learning and performance. This research sought to provide a comprehensive multi-method and multimodal validation of a self-report measure of procrastination, revealing its intricate associations with behavioral indicators of procrastination, engagement, and…

Although there is an increasing number of studies concentrating upon education, some researchers have revealed that most studies, including qualitative studies in education, have methodological issues. One of the most common mistakes and neglected issues in qualitative studies is not to ensure the trustworthiness of the research, which indeed is…

Empirically based tools to map education for sustainable development within school organisations are not readily available, which is both a cause and a consequence of the scarce empirical and quantitative research on school organisations and education for sustainable development. In present study, the Education for Sustainable Development School…

There is an ongoing challenge with STEM education: making physics, math, and science, in general, interesting, understandable, and retentive for college science and non-science majors, K-12 students, and the public. If not imparting detailed knowledge, at least one would like to introduce important concepts that will be remembered, appreciated,…