The Multidimensional Personality Questionnaire (MPQ) measures a wide range of personality traits associated with affect and temperament. However, the lengthy administration time may have hindered its widespread use in personality research. The National Survey of Midlife Development in the United States (MIDUS) has adapted a short version of the…

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,…

Empathy is important for interpersonal communication, social emotion, and social cognitive abilities throughout the lifespan. This study examined the psychometric properties of the Italian version of the Empathy Questionnaire for Children and Adolescents (EmQue-CA) in a sample of 472 Italian children and early adolescents aged 8-13 years.…

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…

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…

Sense of coherence (SOC) is a relevant contributor and predictor of the individuals' mental and physical health. There are a number of studies about SOC, but only two validation articles of the sense of coherence scale (SOCS) were found on adolescents and none on children. The aim of this research was to validate the SOC scale in youth under 18.…

This study assessed the psychometric properties of the Dutch translation of the Prosocial Behavior Questionnaire (PBQ-NL), a self-report questionnaire that distinguishes altruistic, reactive, and proactive prosocial behaviours. Participants were 381 Dutch adolescents and young adults aged 13-30 (M[subscript age] = 18.62, SD = 2.59, 65.1% female).…

This exploratory study assesses the utility of the U.S. version of the Strengths and Difficulties Questionnaire (SDQ) teacher form as a screener for mental health and behavior concerns. The SDQ was administered to a heavily economically vulnerable, Latinx community sample of 391 students in grades K-6. Internal reliability and differences by sex…

Most questionnaires construe avoidance as resulting from a problem-solving process and analyse only a few, single-factor and mostly non-adequate, forms of avoidance. The aim of the present study was to develop a multi-dimensional questionnaire to measure avoidance among adolescents. We tested the Avoidance Questionnaire for Adolescents (AQA) with…

The present study reports on the development of a questionnaire that evaluates children's experiences of their physical classroom environment, activities and interactions. It also explores the psychometric properties of the questionnaire and how acoustical characteristics of the classroom, class size and student characteristics (age, sex and…

The psychometric properties of the French version of the Trait Emotional Intelligence Questionnaire--Child Short Form (TEIQue-CSF) were investigated in a sample of 556 children 9 to 13 years of age. The internal consistency and temporal stability were satisfactory. A significant difference for gender, but not for age, was observed. With regard to…

Negatives attitudes toward children with autism are an important barrier to school inclusion. Despite the increasing amount of research, no psychometrically sound scale reliably measures these attitudes in young students. Our aim was to develop and validate a tool (Children's Attitudes Toward Autism Questionnaire) to evaluate attitudes (three…

Validated screening and diagnostic tools for autism spectrum disorder for use in Arabic-speaking individuals are scarce. This study validated the Arabic version of the Social Communication Questionnaire. The total study sample included 206 children with autism spectrum disorder and 206 typically developing children (73.8% male; mean age: 8.5…

This study assesses the utility of the U.S. version of the Strengths and Difficulties Questionnaire (SDQ) teacher form as a screener for mental health and behavior concerns. The SDQ was administered to a community sample of 391 culturally and linguistically diverse students in grades K-6. Internal reliability was assessed using Cronbach's alpha.…

In the Netherlands, all schools are required to develop a wellbeing and social safeness policy. Despite this legislation, there is currently no adequate instrument available to measure the wellbeing and social safeness. Therefore, the present study investigates the psychometric properties of the Wellbeing and Social Safeness Questionnaire (WSSQ).…