Inclusive education requires staff commitment to the principles of inclusion, and teacher training is crucial to fulfilling its goals. However, research on higher education teacher educators' inclusive dispositions is lacking, particularly in the Finnish or Nordic context. To redress this situation, psychometrically sound research instruments are…

Objective: The factor structure of the Grit-S is the subject of much debate. The purpose of this study was to examine the factor structure of the Grit-S and validate its psychometric properties among racially/ethically minoritized adolescents using Item Response Theory (IRT). Method: Data were collected from 651 racially/ethnically minoritized…

Concerns have recently been raised about the validity of scales used in the L2 motivational self system tradition, particularly in relation to sufficient discriminant validity among some of its scales. These concerns highlight the need to systematically examine the validity of scales used in this tradition. In this study, we therefore compiled a…

The current study examined the psychometric properties and correlates of three measures assessing individual differences in mattering among people from Palestine assessed in January, 2024. This study uniquely considers mattering as a resource and feelings of not mattering as a risk factor among people experiencing traumatizing life circumstances.…

This study aimed to develop a valid and reliable scale to measure individuals' and organizations' attitudes toward the use of ChatGPT, emphasizing the necessity for organizations to adapt to rapidly evolving information and technology environments. The methodology consisted of three stages. In the first stage, a 13-item draft scale was…

This study attempted to discern the factor structure of the achievement goal orientation and goal structure constructs across the domain-specific task of essay writing in an Iranian EFL context. A convenience sample of 116 public university learners participated in a single-session, in-class study of an essay writing sampling and an immediate…

The role of feelings of belonging at school in adolescents' academic and psychological functioning is well established. This study aimed to validate the School Connectedness subscale from the Maryland Safe and Supportive Schools (MDS3) School Climate Survey for secondary school students in Spain. This subscale encompasses the three key dimensions…

The Student-Teacher Relationship Scale-Short Form (STRS-SF) is one of the most frequently used instruments globally to measure professional caregivers' perceptions of the relationship quality with a specific child. However, its psychometric properties for children younger than 3 years of age enrolled in early childhood education and care (ECEC)…

This study's primary aim is to validate a research instrument in Iraqi Kurdistan middle and secondary schools to explore learners' perspectives concerning social constructivist learning environments and e-learning outcomes. The research instrument was updated and devised based on Aldridge, Fraser, Taylor, and Chen's (Aldridge et al., International…

Emotion dysregulation is associated with attention deficit/hyperactivity disorder (ADHD) and confers risk for behavior problems and functional impairment; however, there is little guidance on best practices for measurement in adolescents. We developed a parent-report version of the Difficulties in Emotion Regulation Scale (DERS-P)). Evidence of…

Identifying creatively gifted students remains a challenging yet important task. Often, teacher rating scales are used to assess students' creative behaviors; however, the school environment may not always provide opportunities for students to demonstrate creative ability, making it challenging for teachers to observe students' creative potential.…

Purpose: The validity of any performance assessment depends substantially on the rating scale used in the assessment procedure. It delineates the theoretical construct being measured and influences how performances are judged and interpreted. This study examined the factorial validity and invariance of the rating scale used for the assessment of…

In the Response to Intervention framework, a psychometrically sound screening tool is essential for identification of children with emotional and behavioral risk. The purpose of this study was to examine the validity of the Pediatric Symptom Checklist-17 (PSC-17) screener in school-based settings. Forty-four teachers rated 738 preschoolers using…

This article introduces a new measure of dispositional perfectionism: the Big Three Perfectionism Scale (BTPS). The BTPS assesses three higher-order global factors (rigid perfectionism, self-critical perfectionism, narcissistic perfectionism) via 10 lower-order perfectionism facets (self-oriented perfectionism, self-worth contingencies, concern…

The "Teacher Efficacy for Inclusive Practices" (TEIP) scale is designed to measure teacher-self efficacy to teach in inclusive classrooms. The original study identified three scale factors: "efficacy in using inclusive instruction" ("EII"), "efficacy in collaboration" ("EC"), and "efficacy in…