Objectives: Choice theory is rooted in psychological concepts like self-concept, successful identity, and quality of the world. This theory could be useful for people seeking for hope and a better life. The purpose of this research was to investigate the effectiveness of group training of choice theory on life quality and hope in blind people.  Methods: The statistical population of this ...

Online social networks like Instagram are places for communication. Also, these media produce rich metadata which are useful for further analysis in many fields including health and cognitive science. Many researchers are using these metadata like hashtags, images, etc. to detect patterns of user activities. However, there are several serious ambiguities like how much reliable are these informa...

this paper argues that commercial forces have steadily encroached into our understanding of medicine and health in modern industrial societies. the impact on the delivery of personal medical services and on common ideas about food and nutrition is profound and largely deleterious to public health. a key component of commercialization is reductionism of medical services, health products and nutr...

The concepts of free modules, projective modules, injective modules and the likeform an important area in module theory. The notion of free fuzzy modules was introducedby Muganda as an extension of free modules in the fuzzy context. Zahedi and Ameriintroduced the concept of projective and injective L-modules. In this paper we give analternate definition for projective L-modules. We prove that e...