This study aimed to develop a comprehensive tool to assess underachievement in gifted students, incorporating input from parents, teachers, and students themselves. A total of 285 participants, including 95 gifted students, their parents, and teachers, were involved in the study. The results have revealed a four-factor structure for the Gifted…

Background: The CAMDEX-DS is an instrument to diagnose Alzheimer's disease (AD) in Down syndrome consisting of an informant interview and a cognitive test battery (CAMCOG-DS). Measurement properties of the German CAMDEX-DS were investigated. Method: Fifty-five adults with Down syndrome (19-58 years) participated in this observational study.…

Irrational beliefs (IB) are irrational thinking patterns that limit the interpretation of situations and generate difficulties in daily life. Although there are several instruments to evaluate irrational beliefs, attention to their evaluation in adolescents has been insufficient, and possible gender and cultural differences have been overlooked.…

In this study, the aim was to develop a measurement tool that would provide a valid and reliable assessment of secondary school students' mathematical resilience skills. The research was conducted with a sample of 229 students. To ensure the content and face validity of the scale, expert opinions were initially sought, and the scale was revised…

This article presents an initial analysis of a new special education campus needs assessment designed to gauge educator perceptions of special education in five key areas: support, expectations, empowerment, equity, and professional development. The Special Education Campus Needs Assessment (SECNA) was pilot tested with a group of seventy-two…

This study addressed the issue of school alienation (SA) among high school students in Taiwan; SA is believed to contribute to dropout, violence, gangs, and deviant behavior. To measure SA, we propose a four-construct model in this study, comprising powerlessness, normlessness, meaninglessness, and social isolation. Using two studies, an SA scale…

Smartphones and the literacy to harness the educational affordances of photographs currently rest on the bedrock of second language (L2) education. Building on social semiotic theory, this study developed and validated a visual literacy scale for smartphone photography (VLS4SP). Despite the importance of visuals and smartphones, no valid scale is…

This study involves translating, cross-culturally adapting, and validating the "Literary Response Questionnaire" (LRQ) for 413 Spanish adolescents. It explores the evolution of literary education in Spain and its alignment with the Reading Responses paradigm. The LRQ, adapted across various locations, is validated in Spanish through…

Empathy for mental health professionals is often inferred from dispositional assessments that misrepresent the temporal, contextual, and multidimensional nature of empathy. This article presents the State-Interpersonal Reactivity Index, a multidimensional assessment of in-session empathy for mental health professionals. Results suggest good…

The current study aimed to develop and validate a Principal Emotion Inventory (PEI). Equipped with the theoretical-empirical strategy of test construction, this development and validation procedure consists of one expert survey and five sequential empirical studies with sufficient samples of participating principals based on existing emotion…

Mathematical creativity is perceived as an increasingly important aspect of everyday life and, consequently, research has increased over the past decade. However, mathematical creativity has mainly been investigated in children and adolescents so far. Therefore, the first goal of the current study was to develop a mathematical creativity measure…

This study involved validating the structure of the "Attitude Toward Parent Involvement Survey" ("ATPIS"). The survey was administered 1,729 times to preservice teachers along with Knowledge assessments at the beginning and end of a course on parent involvement. An exploratory factor analysis was conducted to validate the…

In this study, we evaluate the validity of question 29 (Q.29) in the Force Concept Inventory (FCI), which requires an understanding of atmospheric pressure. At least in some Japanese physics classes, the rate of the correct answer to Q.29 is reduced between the pretest and post-test. To examine this deterioration of a student's response, we…

Comparative accuracy studies evaluate the relative performance of two or more diagnostic tests. As any other form of research, such studies should be reported in an informative manner, to allow replication and to be useful for decision-making. In this study we aimed to assess whether and how components of test comparisons were reported in…

This study aims to develop an Assistive Technologies Usage Skills Assessment Scale (ATUSAS) that measures teacher candidates' assistive technologies usage skills. This study group consists of 510 teacher candidates' (282 female, 228 male). The scale's validity and reliability were statistically tested by computing the KMO and Bartlett tests, and…