This study addresses the underexplored terrain of conceptualizing and operationalizing race and ethnicity as grouping variables in Differential Item Functioning (DIF) studies within the context of psychometric research. The investigation extends beyond the identification of DIF and delves into the theoretical framing and communication of findings…

Occupations in science, technology, engineering, and math (STEM) are growing faster than all other fields in the United States. While this is exciting, there is concern that many of these positions will go unfilled, as students in STEM are leaving their educational pursuits at an alarming rate. The following two studies provide an in-depth…

No research has been conducted on PTSD manifestation in children with severe or moderate intellectual disability (SID; IQ 20-49) and no PTSD measurement instrument was available. This pilot explores the psychometric properties of a new diagnostic instrument to investigate trauma and to classify PTSD in children with SID. The Diagnostic Interview…

The biggest difference in statistical training from previous decades is the increased use of software. However, little research examines how software impacts learning statistics. Assessing the value of software to statistical learning demands appropriate, valid, and reliable measures. The present study expands the arsenal of tools by reporting on…

In the current article, we describe the development and validation of the Social Comparison Rumination Scale. This measured was developed as a supplement to existing social comparison measures and to enable us to determine its potential relevance to perfectionism and other personality constructs. The Social Comparison Rumination Scale (SCRS) is a…

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…

The process of decision-making is a multifaceted cognitive endeavor encompassing various cognitive, emotional, psychological, and social processes. It empowers individuals to select from a range of alternatives. Its significance spans across age groups, impacting both adults and children, and the relevance of which goes beyond aiding learners in…

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…

The present study sought to assess the psychometric properties of the Iranian adaptation of the Vietnam Teacher Resilience Scale for Asia (VITRS), referred to as the Iranian Teachers' Resilience Scale (ITRS) and to examine its measurement invariance across middle and high school teachers in Iran. In total, 700 participants completed the…

The objective of this study is to assess students' perceptions of self-directed learning (SDL) skills in online learning using the Turkish version of the Self-Directed Online Learning Scale (SDOLS-T). To achieve this objective, the original SDOLS in English was translated into Turkish using the back-translation method. Subsequently, two separate…

The increased prevalence of suicide among autistic people highlights the need for validated clinical suicide screening and assessment instruments that are accessible and meet the unique language and communication needs of this population. We describe the preliminary preregistered psychometric validation of the Suicide Assessment Kit-Modified…

Purpose: Wellbeing refers to a person's overall happiness and satisfaction with life. Wellbeing for people with Intellectual and Developmental Disabilities (I/DD) and their families is historically significantly lower compared to the general population. It is important in the context of behavioral health treatment to not only measure the…

As part of a validation study of the Exercise Planning and Scheduling (EPS), and Goal-Setting (EGS) Scales, which were translated from English to Brazilian Portuguese, we aim to: present evidence of reliability and validity for the translated scale; and, explore the effects of non-labeled response categories of rating scales. The sample comprised…

In recent years, there has been a proliferation of instruments for assessing mental health (MH) among autistic people. This study aimed to review the psychometric properties of broadband instruments used to assess MH problems among autistic people. In accordance with the PRISMA guidelines (PROSPERO: CRD42022316571) we searched the APA PsycINFO via…

This two-wave study aimed to adapt the Basic Psychological Needs Satisfaction and Frustration Scale (BPNSFS) to the Turkish language and cultural context. At Time 1, participants included 1033 Turkish high school students (M[subscript age] = 15.91, SD = 0.36; 41.9% female) from 26 public schools located in Ankara, Türkiye. At Time 2, 849 students…