Internalizing and externalizing problems are common targets for school mental health screening. Prior research supports the interpretation of scores from the Youth Internalizing Problems Screener (YIPS) and the Youth Externalizing Problems Screener (YEPS), which were developed separately yet intended as companion measures. We extended previous…

Objective: The present study was conducted to test the validity and reliability of the Academic Life Satisfaction Scale (ALSS) on adolescents. Design: Two different samples were recruited for data collection. The first sample consisted of a total of 423 high school students, 272 (64.3%) females and 151 (35.7%) males, with a mean age of 15.97 (SD =…

This study developed an Adolescents' Uncertainty Scale (AUS), with the aim of understanding individual differences in uncertainty among adolescents. In the pretest phase, 507 ninth-grade students were recruited. After exploratory factor analyses, a 25-item AUS with four dimensions--irresoluteness, instability, lack of self-knowledge, and…

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,…

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…

Social communication is closely related to overall and general adolescent mental health and predictive of problem behaviors in adulthood. However, adolescents with social communication deficits remain an underidentified and underserved population, especially in school-based settings. In part, this is due to the dearth of social communication…

The aim of this study was to adapt the Positive and Negative Affect Scale for Children (PANAS-C) developed by Laurent et al. into Turkish and to examine its validity and reliability on high school adolescents. The data of the study were analyzed with four different study groups. The first study group consisted of 414 high school adolescents, 262…

This study aimed to translate the Japanese version of the Life Skills Scale for Adolescents and Adults (LSSAA) into Chinese, English, and Korean, simplify it, and assess its reliability and validity. Validation was performed using individual data of 9941 high-school students from China, Japan, Korea, and the United States collected by the 2021…

Anger is a topic that requires intervention from teachers, counsellors, psychologists, parents, and all communities. The expressions of anger are subjective and sometimes hard to identify. Thus, anger should be measured more objectively, while the expressions need to be examined closely. The purpose of this study is to provide valid confirmation…

Social identity is an important social determinant of student outcomes such as mental health and well-being. Currently, no validated social identity measures exist for adolescents in secondary school settings. A new 'Adolescent Social Identity' measure was developed by adapting two social identity dimensions from a validated reputation enhancement…

The purpose of this multiple study is to investigate the effect of a psychoeducational training program on adolescents' emotional awareness skills as well as adapting an emotional awareness instrument into the Turkish language and context. In this regard, this paper reports the findings from two studies. In Study I, the validity and reliability…

Young people's confidence in their creative abilities, as well as their beliefs about whether these abilities are fixed or malleable, play potentially important roles in educators' efforts to foster creativity. This study explores a multidimensional model of young people's creative self-beliefs that comprises creative self-efficacy,…

Adolescent thinking about the wrongness of antisocial behaviours plays a key role in their own engagement in antisocial conducts. Nevertheless, measures assessing adolescent antisocial evaluations are not common in literature. Informed by the social domain theory and using adolescent actual thinking about antisocial behaviours, this study…

Previous work has focused on positive feelings of mattering, which pertain to the human need to feel significant. In the current article, we examine a complementary yet distinct construct involving feelings of not mattering that may arise from being marginalized and experiences that heighten a sense of being insignificant to others. We also…

Little is known about whether a widely used mindfulness measure in adults--the Five Facet Mindfulness Questionnaire (FFMQ)--is also reliable and valid in adolescents. The current study evaluated the psychometric properties of a 20-item short-form FFMQ in a sample of 599 high school students (M[subscript age] = 16.3 years; 49% female) living in the…