BACKGROUND According to the biopsychosocial model, menstrual symptoms are caused not only by a combination of biological factors such as hormonal disorders and lifestyle, but also by psychological and social factors such as working environment. This study aimed to determine the relation between occupational stress and dysmenorrhea in Iranian midwives. MATERIALS AND METHODS This prospective co...

Context Parents of children with cancer are experiencing high levels of psychological distress. Elevated levels of depression and anxiety following the disclosure of diagnosis affect many aspects of parents' health. Aims The aim of this study was to assess anxiety and depression of parents of Iranian children with cancer. Settings and Design This descriptive-correlational study was undertak...

BACKGROUND The aim of this study was to examine the relationship between metacognitive beliefs and the tendency to addiction in the students of the University of Sistan and Baluchistan, located in the South-East of Iran, during the academic year of 2009-2010. METHODS This was a descriptive, correlational study, and the statistical samples were 200 male BSc students selected with cluster rando...

BACKGROUND Various studies have been conducted to determine the causes of drug abuse from a psychological perspective. Mental health has also been among the studied factors. The present study aimed to investigate the relationship between mental health and general self-efficacy beliefs, coping strategies and locus of control in male drug abusers. METHODS This was a correlational descriptive st...

OBJECTIVES The present study was conducted to investigate the role of metacognition beliefs and general health in alexithymia in Iranian students. METHODS This descriptive and correlational study included 200 participants of high schools students, selected randomly from students of two cities (Sari and Dargaz), Iran. Metacognitive Strategies Questionnaire (MCQ-30); the General Health Question...

Introduction: University students, as the future manpower resources, are of high importance for communities. One of the aspects to focus on is their mental health. The present study was conducted to determine the relationship between alexithymia, irrational beliefs, positive and negative emotions with mental disorders in students. Methods: There were 400 students, selected randomly through stra...

BACKGROUND Smoking is the most common and cheapest addictive substance and has physical, psychological, and social side effects. Personality traits and low self-control have been identified as key factors for substance and tobacco abuse. This study examined the relationship between personality traits and self-control, and symptoms of nicotine dependence in male prisoners. METHODS This was a d...

Emotional intelligence skills help nurses to cope with the emotional demands of healthcare environment. The aim of this study was to identify the relationship between emotional intelligence and perception of job performance among nurses. Using a correlational descriptive design with stratified random sampling, 338 registered nurses from teaching hospitals in North West of Iran were surveyed. Em...

BACKGROUND Major life changes are among factors that cause anxiety, and one of these changes is surgery. Emotional reactions to surgery have specific effects on the intensity and velocity as well as the process of physical disease. In addition, they can cause delay in patients recovery. This study is aimed at determining the relationship between religious beliefs and preoperative anxiety. MET...

We define correlational ~von Neumann! entropy for an individual quantum state of a system whose timeindependent Hamiltonian contains random parameters and is treated as a member of a statistical ensemble. This entropy is representation independent, and can be calculated as a trace functional of the density matrix which describes the system in its interaction with the noise source. We analyze pe...