Validity in psychometrics refers to the degree to which evidence and theory supports the interpretations drawn from a test, and Messick's Contemporary Validity Theory (1994) includes several facets with well-established evidence collection methods. However, there is a lack of consensus on appropriate methods of evaluating the facet of…

Despite several theoretical, structural, and statistical issues reported against Five Facets Mindfulness Questionnaire (FFMQ), most studies in the educational sector of Pakistan use it without analyzing its factor structure. Since culture might change the structure, this first systematic study filled the gap and explored the factor structure of…

The purpose of this study was to validate the Spanish version of the Family Involvement Questionnaire-Short Form (FIQ-SF) for use with Spanish-speaking families of children enrolled in early childhood education programs. This study examined the factor structure of the FIQ-SF and established criterion validity for the resulting FIQ-SF dimension…

The aim of this study was to adapt Shared-Metacognition Questionnaire (SMQ) into Turkish. The original version of the SMQ consisting of 26 items and two factors measures metacognition in online collaborative learning environments based on the Community of Inquiry (CoI) framework. The data were collected from 364 university students who had online…

Peer victimization is critical to study in early and middle childhood as it is associated with adjustment and behavioral problems in adolescence. Because much victimization occurs outside of the purview of adults, self-report measures are important assessments of this construct; however, there is limited evidence for the psychometric properties of…

"LifeSkills Training" (LST) is a popular drug prevention program shown to be effective at preventing youth substance use. The Middle School Health Survey (MSHS) is a questionnaire that was created by the developers of the LST curriculum to measure changes in knowledge and attitudes about drugs and life skills among youth. Despite the…

The researchers employed a confirmatory tetrad analysis (CTA) using partial least squares--structural equation modeling (PLS-SEM) with Outcome Questionnaire--45.2 (OQ-45) data, examining the measurement model of the OQ-45 scores with a sample of male adult clients (N = 1,558) receiving individual therapy at a university-based community counseling…

This study addressed the cross-cultural validation of the Chinese Motivation for Reading Questionnaire (CMRQ) in a sample of 522 seventh to ninth graders from two public schools in eastern China. Confirmatory factor analyses, item-total correlation analyses, and reliability analyses were conducted to assess the psychometric quality of the CMRQ.…

Purpose: This article describes the development and initial validation of the Speech-Language Pathologist (SLP) Involvement in Multi-Tiered System of Supports (MTSS) Questionnaire. It was developed to measure the extent to which SLPs are involved in MTSS at their school site(s). Method: A total of 567 SLPs practicing in the United States responded…

The Adult Reading History Questionnaire (ARHQ; Lefly & Pennington, 2000) is a widely used measure of self-reported reading difficulties. We explored the factor structure underlying this questionnaire using both exploratory and confirmatory factor analysis. A six-factor solution emerged, with childhood reading ability, current reading attitude,…

Background: Autonomy support in people with intellectual disability (ID) is an important yet understudied topic. Psychometrically sound instruments are lacking. This study tested the factor structure and reliability of an instrument for assessing the extent people with intellectual disability perceive their support staff as autonomy supportive.…

The Strengths and Difficulties Questionnaire (SDQ), with its three forms (youth, parent and teacher version), is widely used to assess emotional and behavioural disorders in children and adolescents. The present study examined the factor structure and psychometric properties of the teacher version of the scale (SDQ-T) with adolescents from…

We examined the construction for a modified Acceptance of Couple Violence (ACV) scale administered to lesbian, gay, bisexual, transgender, and queer college students (N = 266) measuring intimate partner violence. We ran an exploratory and confirmatory factor analysis; results identified 1 factor for the instrument explaining 76% of the variance in…

The "Messaging Motivations Questionnaire" ("MMQ") is a concise 8-item measure, which consists of two subscales capturing people's typical motivations to text. The MMQ was developed through focus groups and item analysis based on a pilot study, followed by a larger validation study involving a sample of 982 young adults. Factor…

Research Findings: Despite it being a widely accepted measure of social, emotional, and behavioral problems among children and young people, the factor structure underlying the Strengths and Difficulties Questionnaire (SDQ) is contested. Recent research has suggested a need to consider methodological bias in the SDQ, associated with the positive…