Construct-irrelevant variance is considered as a major threat to validity which indicates the existence of additional unrelated variables that distort the meaning of test scores and cause the test to be biased. Differential item functioning (DIF) analysis is an important technique in examining the validity and fairness of educational tests.…

Introduction: A national validation study on the "Orientation and Mobility Visual Impairment Scale of Service Intensity of Texas (O&M VISSIT)" was conducted. Methods: Fifty-two of the original 115 interested participants completed the study that used a mixed-methods research design. After finishing the "O&M VISSIT" for…

Mindfulness is growing in popularity with the potential to improve many favorable health outcomes. Physical activity (PA) is crucial for improving health, however, there is no Turkish scale to measure mindfulness during PA. The purpose of this study was to translate, culturally adapt, and validate the Turkish version of The State Mindfulness Scale…

Self-regulation has a positive impact on learning and academic achievement, but due to its nature, it is difficult to assess it in a valid and reliable manner. This study aims to explore the validity of three self-regulation assessment methods in text comprehension tasks (questionnaire, think-aloud and traces) as well as to identify the variables…

Teacher professional standards are a mechanism to safeguard quality teaching. In the context of Chinese early childhood education (ECE), this study developed a scale for self-assessing teacher competence against professional standards. The study adopted a three-phase design. In Phase 1, in accordance with Professional Standards for Kindergarten…

This paper presents a cross validation study of four instruments commonly used to assess educator proficiency in technology integration. Data for the validation study were contributed by 357 teacher preparation candidates enrolled in university coursework in the Netherlands. Factor analysis, multidimensional scaling, reliability analyses and…

The present research aims to develop a valid and reliable instrument to measure teachers' observation skills. The research was conducted during the 2023-2024 academic year with 651 teachers. Data were collected through online survey methods. Expert opinion was consulted for the content and face validity of the scale in the research. Exploratory…

Background: The MD Anderson Dysphagia Inventory (MDADI) is a widely used patient-reported outcome measure (PROM) which assesses dysphagia-related quality of life (QoL) in head and neck cancer (HNC). Despite its common use in HNC research and clinical practice, few of its psychometric properties have been reappraised since its inception. The aim of…

Text reading fluency (TRF) is a common reading intervention target in second and third grade. TRF requires the integration of several skills that result in several pathways to dysfluent reading. However, when applying the drill-down approach to intervention targeting, practitioners are guided to consider students' rate and accuracy when reading…

Researchers and practitioners need robust measurement tools for evaluating knowledge of child development to better support parents and their children during pregnancy and the transition to parenthood. We addressed this need by evaluating the psychometric properties of the Domains of Development Instrument (DoDI) for measuring knowledge of…

The present study aims to validate the Flourishing Scale (FS) in a convenience sample of 233 special education teachers. The FS's psychometric properties were investigated using exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). EFA had a one-factor solution that explained 49.9% of the variance, a Cronbach's alpha internal…

Recent studies have consistently demonstrated that antisocial behaviors occur in online environments. Although online antisocial behavior has a long history, it appears to have become more widespread in recent years due to the widespread use of online social networks. Although there are established criteria and instruments assessing antisocial…

Early diagnosis of children with reading disorders is essential for intervention and academic success. Many children with reading difficulties have a deficit in phonemic awareness. A web-based, group-administered screening vehicle, the Risk Factor Screen for Reading (RiFS-Reading), was developed to quickly identify students who are "At…

Despite the acknowledged importance of integrating creativity into school curricula, students with learning disabilities often lack the skill of creativity, due to its absence in classroom instruction. To address these gaps, the authors developed a needs analysis questionnaire assessing the necessity of a creativity module for primary school…

Effectively working in an engineering workplace requires strong teamwork skills, yet the existing literature within various disciplines reveals discrepancies in evaluating these skills. This complicates the design of a generic teamwork peer evaluation tool for engineering students. This study aims to address this gap by introducing the DRIVE…