Mathematical abstraction skills are fundamental for advanced reasoning and problem-solving, yet assessing these skills in senior high school students poses challenges due to limited validated instruments. This study aims to develop and validate a test instrument for measuring mathematical abstraction skills in Indonesian high school students. The…

The use of multiple-choice (MC) instruments to assess pedagogical content knowledge (PCK) has advantages in terms of test economy and objectivity, but it also poses challenges, for example, in terms of adequately capturing the intended construct. To help address these challenges, we developed and evaluated a new instrument to assess science…

The Woodcock-Johnson V (WJ V; McGrew, Mather, LaForte, et al., 2025) represents the most significant evolution in comprehensive cognitive assessment since the battery was introduced nearly 50 years ago. This article provides an overview of the WJ V Tests of Cognitive Abilities and Virtual Test Library, highlighting key revisions from the WJ IV and…

The need for an explicit and validated instrument to assess analytical thinking skills in Zoology courses presents a critical divide in educational assessment. The research aims to evaluate the psychometrics of the instrument for assessing students' analytical thinking skills in the Zoology course. The main problem identified is the lack of an…

Supporting teachers professionally, both in their teaching skills and the inclusion of technology, is one of the few direct interventions to help them grow. Currently, few instruments assessing these perceptions exist, and evidence on their validity is sparse. Hence, this paper presents the development and validation of an instrument assessing…

Background: This paper presents psychometric properties of an instrument for the Assessment of Sexual Behaviour and Knowledge of people with Intellectual Disability (ASBKID), other-reported by professionals who are in daily contact with them. Methods and procedures: Assessments of 236 individuals with intellectual disability were obtained from 100…

To date, the Intentions to Seek Counseling Inventory (ISCI) is the most widely used instrument to measure psychological help-seeking intentions. However, the ISCI is yet to be validated with international students. In this study, we examine the dimensionality and reliability of the ISCI by performing exploratory factor analysis, Cronbach alpha…

Self-determination can affect students to have a positive way of thinking and acting, also to make realistic choices so they can make a decision responsibly. This study aimed to develop a questionnaire to measure student self-determination and validate it. This study was conducted in 2019, involved 406 university students as participants…

The ultimate goal of this study is to test the validity of the newly developed Sustainable Leadership for Learning Questionnaire (SLLQ) in terms of predictive validity on teacher satisfaction towards teaching. Apart from that this study also to test the convergent and discriminant validity of SLLQ. To achieve the objective of the study, a…

The purpose of this article is to describe the methods and results used to establish the district capacity assessment's (DCA) content validity, response process validity, construct validity, internal consistency, and test-retest reliability. The DCA measures a district's ability to support school-level implementation of evidence-based practices…

The development of a teacher identity (TI) profoundly impacts teacher education program graduates' career intention and teaching practices. Existing studies on pre-service physical education teachers' teacher identity (PPET-TI) have used qualitative methods to focus on the dynamic and reflective features of TI. Quantitative studies that help…

Schools are an essential setting for mental health supports and services for students. To support student well-being, schools engage in universal mental health screening to identify students in need of support and to provide surveillance data for district-wide or state-wide policy changes. Mental health data have been collected via anonymous and…

Science teachers are the primary agents in developing students' scientific literacy. Therefore, it is essential to identify teachers' perceptions of scientific literacy in order to increase students' scientific literacy. This study was designed to develop and validate an instrument of Indonesian science teachers' perceptions of scientific…

In this study, it is aimed to develop an organizational obedience scale that gives information about the obedience tendencies of white-collar employees working in the private sector. In this framework, thirty-one item seven-point Likert-type scale consisting of general expressions was prepared to measure obedience, which is the basis of employee…

The aim of this study was to develop and validate a multidimensional open thinking scale (OTS) in order to measure adult learners' open thinking as a key learning outcome of open educational practices (OEP) through a three-phase process of item generation, theoretical analysis, and psychometric analysis. Exploratory and confirmatory factor…