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)…

For some deaf people, sign language is the preferred language, the one in which they feel most comfortable. However, there are very few assessment tools developed or adapted for sign languages. The aim of this study was to translate and adapt in Italian Sign Language (LIS) the Italian version of the Youth Quality of Life Instrument--Deaf and Hard…

Mailing campaigns are a way to keep longitudinal survey respondents engaged. While mailings usually include a survey answer request, sometimes respondents are contacted between-waves to update contact information or simply to keep respondent contact. Research on the actual impact of these between-wave contacts on response rates is scarce. This…

Interoception refers to the processing of internal bodily states and plays a critical role in motivational processes and behaviours. Instruments for assessing its subjective components (i.e., interoceptive sensibility) during childhood are crucially needed. Thus, in this study, we adapted and evaluated the psychometric properties of the…

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…

Neurodivergent youth, such as those with diagnoses of autism spectrum disorder (ASD) or attention-deficit/hyperactivity disorder (ADHD), are frequently victimized by their peers. This bullying victimization may occur in unique ways that are not captured by existing questionnaires. The "Assessment of Bullying Experiences"…

Mental health conditions are more prevalent in autistic people than non-autistic people. The Strengths and Difficulties Questionnaire is a commonly used screening tool for emotional and behavioural difficulties in autistic children and adolescents. However, few studies have assessed the psychometric properties of the Strengths and Difficulties…

The present study aimed to identify overall stress and salient stressors experienced by adolescents from different education tracks and self-perceived ethnic backgrounds. A total of 1489 adolescents (M = 13.40 years; SD = 0.89 years) from nine Dutch secondary schools participated. Self-reported stressors were measured with the adapted version of…

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,…

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…

Introduction/Background: In 2016, the Adolescent Motor Competence Questionnaire (AMCQ) was developed in Australia. The AMCQ was developed to assess perceived motor competence in adolescents between the ages of 12 and 18 years. The 26 items represent four factors: participation in physical activity and sports, activities of daily living, public…

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…

Objective: There are multiple risk factors, such as individual features, parenting behaviours, and peer influences associated with the development of conduct problems. The Alabama Parenting Questionnaire-Child Form (APQ-CF) is a commonly used instrument to measure parenting behaviours. The study aimed to examine the factor structure of the…

This guide, developed by the American Psychological Association's Coalition for Psychology in Schools and Education and Ethics Committee is designed for educators and includes a self-assessment for students ages 12 to 18 to reflect on and improve their civil discourse skills. The tool targets five values related to civil discourse and their…