Background: For peer assessment, reliability (i.e., consistency in ratings across peers) and validity (i.e., consistency of peer ratings with instructors or experts) are frequently examined in the research literature to address a central concern of instructors and students. Although the average levels are generally promising, both reliability and…

The aim of this study was to develop an instrument for assessing sixth-grade students' number sense skills in fractions and decimals. This study was conducted on 452 sixth graders (10-11 years old) from the western region of Turkey. The construct validity of the number sense test (NST) was examined via exploratory factor analysis (EFA) and…

In this study, it was aimed to adapt the DigiFuehr 2.0 Scale developed by Claassen et al. (2023) to Turkish and to conduct validity and reliability studies on three groups of participants consisting of teachers. In the study, exploratory and confirmatory factor analyses were performed in line with translation study, linguistic application, and…

The study took a Rasch measurement theory approach to validating the 10-item Digital Literacy Scale (DLS) using the unidimensional rating scale model (RSM). To that end, the study used the data from a sample of online Turkish university students. The study began the Rasch analysis with all 10 items in the scale and, to improve in the local…

Background: Undergraduate engineering students report increased rates of mental health distress. Evidence suggests that these students experience high stress, which can perpetuate mental health challenges. Further, engineering students may engage in help-seeking and self-care activities more rarely than students in other disciplines. We…

Early identification of autism spectrum disorder through cost-effective screening is crucial in low- and middle-income countries. The Child Behavior Checklist 1.5-5, using the Autism Spectrum Problems and Withdrawn Syndrome subscales, has potential as a level 1 autism spectrum disorder screening tool, though its construct validity in low- and…

Rett syndrome is a severe neurodevelopmental disorder that affects about 1 in 10,000 females. Clinical trials of disease modifying therapies are on the rise, but there are few psychometrically sound caregiver-reported outcome measures available to assess treatment benefit. We report on a new caregiver-reported outcome measure, the Rett Caregiver…

This study aimed to evaluate the psychometric properties and gather evidence supporting the validity of scores from a traditional Chinese version of the Claremont Purpose Scale (TC-CPS) among Taiwanese adolescents. The TC-CPS, measuring meaningfulness, goal directedness, and beyond-the-self orientation, was administered to 233 high school and 445…

The purpose of this study was to create a measurement instrument that would be both valid and reliable for assessing middle school branch teachers' perceptions of curriculum leadership. A straightforward random sample technique was used to choose the participants. 343 middle school branch teachers made up the study's sample. The researchers…

School principals should have school technology leadership skills in order to manage technology integration into teaching and learning activities effectively and efficiently. The 'School Technology Leadership Scale' was developed by Grace in 2020 to assess principals' technology leadership skills from the perspective of the teachers. The scale was…

Assessment literacy is currently gaining attention because of its relevance to teachers' instructional practices and students' performance. Previous studies showed that Filipino teachers have low to mid-level assessment literacy. Therefore, it is crucial to determine how teachers view their assessment literacy. This study aimed to develop and…

Purpose: The Stuttering Severity Instrument--Fourth Edition (SSI-4) is unavailable in Arabic language. The purpose of the current research is to translate the SSI-4 (Riley, 2009) into Arabic and to discuss its validity, as well as its intrajudge and interjudge reliability. Method: Archived videos of 28 school-aged children who stutter ranged in…

Background: Mental health (MH) problems are more common in people with intellectual disabilities (ID), yet under-diagnosis persists, which may be partly due to a lack of appropriate assessment tools. This study presents a systematic review of instruments used to assess MH problems in Spanish-speaking adults with ID. Method: Following PRISMA…

This study aims to develop the Attitude Scale Towards Sustainable Development? (ASTSD), which covers the cognitive, affective, and behavioral dimensions, to determine middle school students' attitudes towards sustainable development within the framework of sustainable development education. The research was conducted using a survey model, and the…

This research aims to develop the Career Renewal Power (CRP) Model, which explains career transition processes through the concepts of need perception and need satisfaction, based on Glasser's Choice Theory. To investigate the structure and functioning of the model, two qualitative studies were conducted. Subsequently, the CRP Scale was developed,…