with the advent of e-commerce, organizations are changingtheir business. most researchers believe that electronic trading can besuccessful when the public will trust in virtual environments. high degreeof confidence not only can meet customer expectations of a satisfactorytransaction, but can also eliminate certainty and perceived risk of onlinetransactions. the aim of this research is to study...

 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 habi...

Aims: Difficulty in adhering to the recommended diet is a common problem among most people with metabolic risk factors of cardiovascular diseases. The purpose of this study was to identify factors associated with dietary adherence among people with metabolic risk factors based on a psychological theory. Materials & Methods: This research was a mixed-method study. In the qualitative phase, 50 p...

This paper uses regression techniques to take a second look at a classic risk-perception data set originally collected by Paul Slovic, Sarah Lichtenstein, and Baruch Fischhoff. As discussed in earlier studies, the attributes expected mortality, effects on future generations, immediacy, and carasmphic potential all significantly affect risk ratings. However, we find that perceived risk and dread...

PURPOSE Although adolescents' expectations are accurate or moderately optimistic for many significant life events, they greatly overestimate their chances of dying soon. We examine here whether adolescents' mortality judgments are correlated with their perceptions of direct threats to their survival. Such sensitivity would indicate the importance of ensuring that adolescents have accurate infor...