The aim of this study is to develop a valid and reliable scale to measure the time traps teachers fall into during the teaching-learning process. The sample consists of 234 final-year students continuing their education at the Faculty of Education in the first implementation and 233 pedagogical formation students in the second implementation.…

The knowledge of the materials to be taught to the students is the basic knowledge that preservice mathematics teachers should possess, as they need to prepare themselves for teaching. In order to research preservice teachers' understanding of the subject matter and teaching skils, valid and reliable test instruments are required. Knowledge of…

Background/purpose: This study aimed to investigate the differences among the equations used in estimating the reliability coefficient using the half-split method. These equations demonstrate Spearman-Brown's, Rulon's, Guttman's, Mosier's, Flanagan's, and Horst's. Materials/methods: The study instrument was a 43-item scale for evaluating the…

Background/purpose: Moral leadership is essential to foster ethical, effective school management and create positive educational environments. Existing moral measurement instruments focus on general morality, and there is a lack of tools tailored to assess the moral leadership of prospective primary school principals in Indonesia. This study aims…

A teacher competency instrument was developed to determine the level of teacher competency in small schools in Peninsular Malaysia. This study was conducted in Perak and Negeri Sembilan to determine the instrument's reliability and validity. Exploratory factor analysis (EFA) and item reliability analysis were used to determine the questionnaire's…

The aim of this study is to examine the available scientific evidence on the reliability and criterion validity of 6-minute run walk field-based test when administered to children and adolescents. Systematic searches were performed in three electronic databases (MEDLINE/PubMed, SPORTDiscuss and Scopus) from their inception until February 2024,…

This study uses a rigorous research process to explore the psychometric properties of the Gifted Rating Scale-School Form (GRS-S) within the Qatari educational context. We employed stratified cluster sampling of 326 students (aged 6-13 years, M = 10.9) from 25 public schools in Doha. Data was collected in the second semester of the 2023-2024…

Purpose: The PEDI-CAT (ASD) is used to assess functioning of children and youth on the autism spectrum; however, current psychometric evidence is limited. This study aimed to explore the reliability, validity and acceptability of the PEDI-CAT (ASD) using a large Australian sample. Methods: Caregivers of 134 children and youth on the spectrum…

Adolescence, a crucial period preceded by childhood and followed by adulthood, involves significant growth and developmental changes leading to various psychological challenges and aggressive tendencies. Several scales have been developed to measure aggression, but 12-item short form aggression questionnaire has been widely used for assessing…

There is growing interest in climate change education, however there are very limited tools in elementary and secondary level to measure students' understanding. Departing from this need, this study aimed to adapt the Climate Change Stages of Change Questionnaire into Turkish and examine its validity and reliability. The adaptation process stated…

The aim of this study is to develop a valid and reliable measurement tool to measuring teachers' leader-member exchange behaviors. The study group of the research consists of 396 teachers working in secondary schools in the central districts of Eskisehir, Odunpazari and Tepebasi, in the 2018-2019 academic year. The construct validity of the scale…

The aim of this study is to find evidence of factorial validity, measure equivalence by gender, and internal consistency of the Mental Health Continuum-Short Form (MHC-SF) in a sample of Ecuadorian teenagers. The study uses a psychometric design to explore the validity and reliability of the measure. Participants of the study were 1154 teenagers…

Background/purpose: Phubbing has emerged as a psychological and behavioral concern that threatens the quality of interpersonal relationships and psychological well-being, particularly among adolescents and adults, so the current research aimed to investigate the psychometric properties of the Arabic version of the Generic Scale of Phubbing…

The primary objectives of this study were to translate and assess the psychometric properties of the Principal Instructional Leadership Scale (PILS) within an Iranian population. The translation and cross-cultural adaptation process involved five stages: forward translation, translation synthesis, backward translation, expert committee review, and…

This study aims to develop a valid and reliable achievement test in accordance with the content framework of the 9th-grade Biology Course Curriculum published within the scope of the Turkish Century Maarif Model on the subject of "Organic Matter". The screening method was used for this purpose. The sample of the study consists of 258…