The present study examines the psychometric properties of the long form (LF) of the Greek translation of the Friendship Quality Questionnaire (FQQ), a widely recognized self-report instrument that assesses children's perceptions of the qualities of their friendships. Four hundred seventeen (417) typically developing primary-school students (50.8%…

The cognitive load imposed by instruction is an important consideration for instructional designers. Theoretical models have traditionally divided total cognitive load into intrinsic, extrinsic, and germane load. The 10-item Cognitive Load Inventory (CLI-10) is designed to measure these three types of cognitive load. It is typically administered…

Growth mindset in mathematics is an approach to teaching mathematics, believing that students' abilities can be developed with efforts, strategies, and support. With a sample of 178 middle school students, this study proposed a scale for mathematical mindset utilizing Boaler's positive norms in teaching mathematics and collected evidence for…

In an era where holistic education is gaining prominence, spiritual intelligence is emerging as a critical yet under-assessed component of students' personal and social development. This study aimed to develop and validate the Spiritual Intelligence Assessment Tool (SIAT) for cross-cultural application in faith-based educational settings across…

Narcissism in social media reveals itself differently than in daily social interactions. Therefore, the present study aimed to develop a Scale of Narcissism in Social Media through the lens of the Narcissistic Admiration and Rivalry Model and to investigate its psychometric characteristics. The total sample of the study consisted of 740…

Background: This paper presents a description of the development and psychometric properties of a self-report instrument for the assessment of sexual behaviour and concerns of people with mild intellectual disabilities (SEBECOMID-S). Methods and procedures: The study included 281 people with mild intellectual disabilities. The psychometric…

Although art has been subject to psychological research for some time, the artwork itself received little attention in quantitative research. The rating instrument for two-dimensional pictorial works ("RizbA") fills this gap by providing a tool for formal picture analysis. This study validates the questionnaire on 294 images created by…

Purpose: Autistic camouflaging is a collection of strategies used to hide autistic characteristics. It can have serious consequences on autistic people's mental health and needs to be addressed and measured in clinical practice. The purpose of this study is to evaluate the psychometric properties of the French adaptation of the Camouflaging…

The purpose of this article is to document the development of a new measure of teaching self-efficacy -- "The College Teaching Self-Efficacy (CTSE) Scale." We designed the CTSE scale to examine individuals' beliefs in their abilities to perform specific teaching tasks in a college classroom successfully. We developed an instrument that…

The objective of this work is to create, and validate, a questionnaire aimed at assessing those actions undertaken by school management teams to promote inclusion in compulsory education sector in Spain. It is based on the perspective of teaching teams (members of management teams and teachers). To determine the psychometric properties of the…

The rise and growing prevalence of juvenile delinquency is a matter of concern for many parties. This study aims to establish a research instrument in the form of a questionnaire that can be deployed to assess the learning environment perceived by high school students. This research endeavor constitutes a developmental study, wherein the outcomes…

The main objective of this study was to develop and evaluate the psychometric properties of the Coping Inventory for Children and Adolescents during the Pandemic Lockdown (CICAP-11), that assesses coping strategies employed by children and adolescents when faced with pandemic-related home confinement. The CICAP-11 and other measures of anxiety and…

Critical thinking stands out as one of the most important cognitive abilities needed for effective adaptation to a knowledge-based society in the 21st century. Despite its significance, there remains a lack of consensus regarding the conceptual and methodological frameworks for measuring it. This study aimed to design and validate a comprehensive…

The Theory of Successful Intelligence defines intelligence as the integrated set of abilities and competencies in specific domains needed to attain success in life. Informed by this theory, we examined the dimensionality, reliability, and validity of an augmented intelligence test, Aurora-a, a 17-subtest assessment of analytical, practical, and…

Many undergraduate chemistry students hold alternate conceptions related to resonance--an important and fundamental topic of organic chemistry. To help address these alternate conceptions, an organic chemistry instructor could administer the resonance concept inventory (RCI), which is a multiple-choice assessment that was designed to identify…