Reliability indicates the internal consistency of a test. In educational studies, reliability is a key feature for a test. Researchers have proposed many traditional reliability estimates, such as coefficient alpha and coefficient omega. However, traditional reliability indices do not deal with the data hierarchy, even though the multilevel…

Secondary school staff are often tasked with delivering mental health content to students, yet there has been little research on staff confidence to do so. Given the responsibility placed on staff to support student mental health, reliable and valid measures are needed to facilitate assessment of teacher confidence in the classroom and evaluation…

To examine the reliability and validity of revised Parental Phubbing Scale (PPS) and measure the level of parental phubbing, 701 Chinese children aged 3-6 years and their parents were investigated. The results indicated that: (1) the construct validity of the PPS was supported by the best-fit one-factor model; (2) concurrent validity was…

The aim of this research is to develop a scale for determining pre-service teachers' attitudes towards recycling. The research was carried out using a quantitative research design. The research was carried out in the education faculties of two state universities located in the east and west of Türkiye. 284 pre-service teachers (62 males, 222…

Psychometrics is the field of designing tests and assessments to measure certain psychological concepts. It is chiefly concerned with two fundamental properties: reliability and validity. These properties are often influenced by confounding variables: other things that can influence performance but are not what you are trying to measure. Here, I…

This article presents a ten-item short scale for measuring digital competence. The scale is based on the Digital Competence Framework for Citizens, DigComp2.1 (Carretero et al., 2017). For our surveys, we used five items from the DigCompSat study (Clifford et al., 2020) and created five new ones to address the competence areas defined by…

Research practice partnerships (RPPs) are an increasingly popular approach for bringing together research and practice in ways that can improve and transform education. To date, however, evaluators have lacked measures to evaluate such partnerships. This paper describes a project to develop validity evidence for a survey to evaluate the…

Community health workers (CHWs) are increasingly being required to perform complex health care activities, especially in community cardiovascular disease and stroke prevention. However, currently, there are no psychometrically validated instruments for assessing CHW competencies in these roles. This article describes the development and validation…

Given the importance of mathematics identity for students continued participation and engagement with mathematics, it is important for educators and researchers to be able to explore students' mathematics identity development. However, an instrument with validity evidence that can be used to explore mathematics identity efficiently and with groups…

Purpose: In the so-called digital age, there is a basic assumption that digitalization entails rapid and dramatic change in schools, education and society. However, a challenge for educational research is to clarify what digitalization precisely means. This paper aims to develop, test, and validate a digital transformation scale (DTS). More…

Assessing students' perceptions of the services provided by school counselors is crucial in promoting these services. However, there is no reliable scale for this assessment in the Persian language to date. Thus, this study aimed to translate and validate the School Counselor Noncognitive Skills Scale (SCNSS) among Iranian high school students.…

This study aimed to develop a valid and reliable scale that reveals secondary school pupils' attitudes toward science literacy. The survey model, one of the quantitative research methods, was used in the study. The validity and reliability study of the scale was carried out on secondary school pupils attending public schools in Turkey in the…

This research aimed to develop and validate a rubric to assess Artificial Intelligence (AI) chatbots' effectiveness in accomplishing tasks, particularly within educational contexts. Given the rapidly growing integration of AI in various sectors, including education, a systematic and robust tool for evaluating AI chatbot performance is essential.…

Lexical diversity (LD) is an important indicator of second language lexical development. Much research has investigated LD indices, with a focus on learners of English. However, further research is needed in languages that are typologically distinct from English, such as Korean. In this study, we evaluated the reliability and validity of LD…

The study seeks to conceptualise foreign language learning burnout and provide its corresponding measurement. The 15-item "Maslach Burnout Inventory-Student Survey" (MBI-SS) was rephrased to fit an English-as-a-Foreign-Language (EFL) learning context. The modified MBI-SS was then assessed among 1718 Chinese secondary EFL students. A…