The conventional dichotomization of sex and gender into male and female has been found to be far from adequate in representing the amount of variance that exists within each biological sex. Expressions of gender and sexuality have gone beyond our imagination as more and more countries are beginning to allow a nonbinary/intersexed option on their…

This study further examined the Gifted Rating Scales (GRS) at the internal and external stages of test validation by (a) testing structural fidelity as indicated by the number of factors supported as well as the correspondence of the latent factor structure with the scoring model proposed by the authors and (b) examining the external relations of…

The present study examined the school climate of various types of schools in Tehran Iran. School climate was defined as the perceptions of 9th grade pupils in five areas: People, Programs, Policies, Processes, and Places based on the Invitational Theory and Practice paradigm. In this study we examined the climate of three types of schools: public,…

Bullying involvement among youth has consistently been linked to potentially serious consequences for both perpetrators and victims. To help clarify the nature and scope of youth bullying involvement, empirically validated assessment instruments measuring victimization and perpetration behaviors are needed for use in research and practice. The…

Research Findings: The quality of group care infants and toddlers experience relates to their concurrent and later development. Recent quality improvement initiatives point to the need for ecologically valid measures that assess the multifaceted nature of child care quality. In this article, we present the psychometric properties of an infant and…

In the present study, the Tolerance Scale developed by Ersanli (2014) was adapted to the Iranian culture, and its validity and reliability were investigated in the case of Iranian college students. The participants consisted of 552 Iranian college students (62% male, M = 20.84, S.D.: 1.53) selected using the convenience sampling method. The sample…

The Pediatric Symptom Checklist-17 was originally used in primary care settings with parents to identify their children's behavioral and emotional problems, but there has been some research supporting use of this scale in school settings. This study examined: (a) the factor structure and measurement invariance of the teacher-rated Pediatric…

This study explores Tibetan students' L2 and L3 motivational systems and their interactions based on the framework of the L2 Motivational Self-System proposed by Dörnyei. Five hundred fifty-two participants were invited to respond to a questionnaire regarding their Chinese (L2) and English (L3) motivational selves, learning experiences and…

The factor structure of the Teacher-Child Rating Scale (T-CRS 2.1) was examined using confirmatory factor analysis (CFA). A cross-sectional study was carried out on 68,497 children in prekindergarten through Grade 10. Item reduction was carried out based on modification indices, standardized residual covariance, and standardized factor loadings. A…

Objective: This study sought to develop and evaluate the psychometric properties of a tool designed to assess social work students' knowledge of and perceptions and attitudes toward human trafficking. To achieve this aim, the Perceptions, Knowledge, and Attitudes toward Human Trafficking Questionnaire (PKA-HTQ) was developed and its psychometric…

Objective: Confirmatory factor analysis was used to assess the factor structure of the 6-item version of the Kessler Psychological Distress Scale (K6). Methods: A subsample of emerging adults, aged 18-29 (n = 20,699), from the 2013 National Survey of Drug Use and Health were used in this study. Results: Each of the models (one-factor, two-factor…

The Junior Metacognitive Awareness Inventory is a student self-report scale developed to correspond to a two-factor model of metacognition. Exploratory (N = 1,783) and confirmatory factor analysis (N = 942) were conducted using data from students in Grades 6 through 12 with results supporting two underlying factors corresponding to Knowledge and…

The lack of evidence-based quantitative studies prevents further progress in mentoring research. In particular, standardized diagnostic instruments facilitating the exploration, evaluation and production of structured feedback for mentors and mentees are urgently needed. The purpose of this study was to investigate the factors and levels that are…

This research aimed to construct and validate the School Conflict Negotiation Effectiveness Questionnaire (SCNEQ). This objective is both based on the increasing relevance of the area of constructive conflict management in schools and also in the scarcity of instruments that try to measure these dimensions in the educational context. We used two…

The purpose of this study was to examine the psychometric properties of the Identify as a Professional Social Worker Subscale, which assessed the Council on Social Work Education--prescribed competency "identify as a professional social worker and conduct oneself accordingly." The results of confirmatory factory analysis indicated that…