background: among all cancers, malignancies of gastrointestinal tract are the most common cancer among iranian population. dietary behavior is thought to be the most important risk factor in gastric cancer. fear and perceived severity are two important constructs of the protection motivation theory (pmt). despite the evidence of the impact of these two constructs in modifying dietary habits aga...

Psychological symptoms are considered as one of the aspects and consequences of cardiovascular diseases (CVDs), management of which can precipitate and facilitate the process of recovery. Evaluation of the psychological symptoms can increase awareness of treatment team regarding patients’ mental health, which can be beneficial for designing treatment programs (1). However, time-consuming proces...

perceived risk is an intervening psychosocial construct in marketing and connected to potentially negative outcomes. when studying perceived risk in consumer behavior as purposeful behavior, there is no doubt that the desired outcome of a purchase decision is need satisfaction so that positive outcomes are hoped for and expected. if negative consequences are experienced in buying situations, th...

Owing to the ever-increasing prevalence of social media use, social commerce has become an important part of e-commerce. This study endeavors to explore the impact of social media quality and social support on the social commerce (SC) intention directly and through the variable of perceived risk. The sample included 214 social media users in Isfahan collected through simple random sampling meth...

Today behaviors such as drug abuse, moral and social deviance, failure and dropout, adolescent pregnancies and violence and aggression, running away from home and suicide are known as high-risk. These behaviors are due to undesirable consequences on the social system and even affect personality system, discussed by many scholars and researchers. In this study, the role of family functioning, at...