The aim of the current study was to verify the internal and external validity of the construct of implicit beliefs concept in the sports context, the Conceptions of the Nature of Athletic Ability Questionnaire-2 (CNAAQ-2). The data of this study were collected from 322 adolescent football players by using CNAAQ-2 and MT (Mental Toughness)…

The Perceptions of Inclusion Questionnaire (PIQ) assesses the perceptions of inclusion in 3rd to 9th grade students through three scales: social inclusion, emotional inclusion, and academic self-concept. This study aimed to establish the psychometric properties of the Spanish version of the instrument (PIQ-Spa) since no prior formal validation of…

The Interpersonal Behaviors Questionnaire (IBQ) in Sport assesses athlete perceptions of coach interpersonal behaviors that support or thwart athletes' basic psychological needs. While different sources of validity evidence for responses to the IBQ have been provided for adults, only validity evidence for relations to other variables has been…

There has been an increase in peer violence in Vietnam. Although normative beliefs approving aggression have been considered an important factor in the development of peer violence in Western countries, few studies examine the factor in Vietnamese context. This limitation may be due to the lack of a validated scale used to evaluate the factor. The…

Executive functions (EFs) refer to a set of cognitive skills used to achieve goals and adapt to novelty and social situations. These cognitive skills strongly impact people's daily lives. Hence, assessing these skills is important for an early intervention to address their lack if need be. Nevertheless, relevant scientific literature reports…

Purpose: The aim of this study was to translate the versions of the Hearing Environments and Reflection on Quality of Life (HEAR-QL) into Turkish and investigate the validity and reliability of the Turkish 26-item HEAR-QL (HEAR-QL-26) for children and Turkish 28-item HEAR-QL (HEAR-QL-28) for adolescents. Method: The protocol included translation…

Implicit theory has been relatively well-studied in the areas of intelligence and personality but remains less investigated in mental health. This article aims to analyze the psychometric properties of the Implicit Thoughts, Emotion, and Behavior Questionnaire (ITEB-Q; Schleider & Weisz, 2016a). We tested its factorial validity, measurement…

Although motor problems are highly prevalent in children with autism spectrum disorder (ASD), they remain underdiagnosed. Questionnaire-based screening for motor problems could optimize current clinical practice. This study aimed to examine the psychometric properties of the developmental coordination disorder questionnaire (DCDQ) to screen for…

Background: Schools are important arenas for the promotion of critical health literacy (CHL) among adolescents. Key domains of CHL are information appraisal, understanding social determinants of health, and abilities to act on determinants of health. In this paper, we examine the psychometric properties of the Critical Health Literacy for…

This article aims to adapt and validate the Risk-Taking and Self-Harm Inventory for Adolescents (RTSHIA) in Portuguese. Results confirm the 2-factor structure originally proposed (risk-taking and self-harm). Both dimensions presented an adequate internal reliability and temporal stability. Convergent validity and sociodemographic differences are…

Background: Modelling academic self-concept through second-order factors or bifactor structures is an important issue with substantive and practical implications; besides, the bifactor model has not been analysed with a Chinese sample and cross-cultural studies in the academic self-concept are scarce. Likewise, latent structure validity evidence…

The aim of the study was to explore same-sex and opposite-sex friendship functions among 12 to 13- and 16 to 17-year-old Hungarian adolescents (n = 304). To explore perceptions of friendship functions, the McGill Friendship Questionnaire (MFQ, 30 items, 6 factors: stimulating companionship, help, intimacy, reliable alliance, self-validation,…

Purpose: Psychometrically sound parenting instruments are a critical aid in guiding clinical assessments of adolescent behavioral outcomes, particularly among clinical samples of adolescents. However, there is a paucity of research on these parenting instruments among adolescents with histories of substance use disorders (SUDs) who represent a…

The Cognitive Emotion Regulation Questionnaire (CERQ) is a multidimensional measure widely used to access nine cognitive emotion regulation strategies. In this study, we examined the psychometric properties of the CERQ-Short Portuguese version. A sample of 1052 adolescents (aged 10-25 years old, 60.53% females) completed the CERQ-Short form, the…

The validation process of a gap-filling diagnostic tool that allows educators to monitor children's mental health status by processing parental observations is presented. This quantitative pilot study, conducted on a Hungarian convenience sample, highlighted that the results obtained with the Mental Health Status Questionnaire - parental version…