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…

Handwriting is a perceptual-motor skill encompassing a series of psychomotor skills related to academic performance. The main aim of this study was to translate and study the psychometric properties of the Handwriting Proficiency Screening Questionnaire for Children (HPSQ-C) for the Spanish population. A study was conducted on a final sample of…

Evidence of positive associations between the frequency of home math activities and preschool children's math skills is mixed, and the operationalization of home math activities varies across studies. We test whether home math activities can be grouped by activity factors based on the math subdomain they target (i.e., counting and cardinality,…

This research examines the performance of the previously proposed cutoff values of alternative fit indices (i.e., change in comparative fit index [(delta)CFI], change in Tucker-Lewis index [(delta)TLI], and change in root mean squared error of approximation [(delta)RMSEA]) to evaluate measurement invariance for exploratory structural equation…

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…

This study describes a psychometric evaluation of high school student responses to the Colorado Learning Attitudes about Science Survey (CLASS), and the subsequent development of a more parsimonious attitudes and beliefs survey structure for potential use with K-12 students in physics courses aligned with the Next Generation Science Standards.…

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…

This article describes the development of an instrument for examining schools as institutions where teaching practices and school structures provide opportunities and support for student imagination, creativity, and innovation, as well as initial comparisons using the instrument, using a sample of n = 5020 students and n = 268 teachers (n = 161…

It remains unclear whether pragmatic language skills and core language skills (grammar and vocabulary) are distinct language domains. The present work aimed to tease apart these domains using a novel online assessment battery administered to almost 400 children aged 7 to 13 years. Confirmatory factor analysis indicated that pragmatic and core…

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…

This study examines the reliability and validity of a Mongolian version of the Student Online Learning Readiness (SOLR) instrument in the Mongolian context. The instrument consists of 20 items used to evaluate technical competencies, social competencies with instructor, social competencies with classmates, and communication competencies. One…

The Political Identity and Relational Impact Scale (PIRI) is a self-report scale of personal and relational responses to political conflict. This article describes the development and exploratory factor analysis of the scale. The selected model consists of 30 items and a four-factor structure with high internal consistency.

Previous research has suggested mixed results concerning gifted populations and achievement goal orientation. This study investigated achievement goal orientation in honors and general education undergraduate students, exploring the factor structure of a commonly used assessment and looking at ability level differences using two types of…