The Cognitive Model of Negative Symptoms in Schizophrenia: A Hierarchical Component Model With PLS-SEM.

The cognitive model of negative symptoms suggests that some dysfunctional beliefs mediate the relationship between neurocognitive deficits and negative symptoms and disability. This study tested the hypothesis that dysfunctional performance beliefs mediate neurocognitive deficits, negative symptoms, and disability. We used a hierarchal component model with 85 men patients diagnosed with chronic schizophrenia.

Mental Health Problems and the Associated Family and School Factors in Adolescents: A Multilevel Analysis.

Mental health is one of the most important issues in adolescents' life. Adolescents' health is highly important, because of their role in the future. This study was conducted using multilevel analysis to investigate the risk factors at student and school levels.

Academic Stress and Adolescents Mental Health: A Multilevel Structural Equation Modeling (MSEM) Study in Northwest of Iran.

Background: We aimed to determine the relation of different sources of academic stress and adolescents´ mental health through mediator variables on the student and school levels.

Study Design: A cross-sectional study.

Methods: Overall, 1724 students aged 12-19 yr were selected from 53 high schools in Qazvin City, central Iran through stratified cluster sampling.

The role of mental health, academic stress, academic achievement, and physical activity on self-rated health among adolescents in Iran: A multilevel analysis.

Background: Health promotion of adolescents requires appropriate evidences of its determinants. The aim of this study was to investigate predictors of self-rated health (SRH) among adolescents in Qazvin, Iran.

Materials And Methods: In this descriptive cross-sectional study, with a multistage sampling method, we recruited 1740 adolescents aged 12-19 years from 53 schools in Qazvin, Iran (2018).

Designing and Psychometric Evaluation of Iranian Students' Academic Stress Questionnaire (IAASQ).

Background: Academic stress is one of the factors affecting the health of adolescents. The aim of present study was to design an academic stress questionnaire for Iranian adolescents with regard to the cultural and educational system of the country.

Methods: After reviewing the literature and identifying available tools in 2018, Iranian adolescents' views on academic stress were extracted.

Academic stress from the viewpoint of Iranian adolescents: A qualitative study.

Background: Academic stress is one of the major affecting factors on adolescent health. This study investigates adolescents' view about the sources of academic stress, with which their identification could be used for the reduction of adolescent academic stress.

Materials And Methods: This qualitative study was conducted with Directional Content Analysis methodology.

Effects of Combining Medication and Pivotal Response Treatment on Aberrant Behavior in Children with Autism Spectrum Disorder.

The purpose of this study was to investigate the effects of combined risperidone (RIS) and pivotal response treatment (PRT) on children with autism spectrum disorder (ASD). A total of 34 children diagnosed with ASD according to the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (DSM-V) (mean age of 12.36 years) were randomly assigned to either of two groups; the first group ( = 17) received combined PRT-RIS while the second group ( = 17) received RIS only.