nowadays we know effective supply chain management a key to business success. therefore, supply chain managers use many practices for scm effectiveness and many tools as their enablers. nevertheless, literature about causal relations between sc enablers and scm practices and performance is scarce. this study reports a cognitive mapping of causal relationships between scm practices, sc enablers ...

in this paper, we consider a cooperative cognitive radio network in which there is an ofdm primary link and multiple single carrier secondary links.the primary link is required to maintain its secrecy rate above a predefined threshold. if the secrecy rate requirement is not satisfied, the secondary system help primary link to maintain its secrecy rate requirement. in doing so, the secondary trans...

social phobia is one of the anxiety disorders. the people wit h social phobia fear social situations and they are afraid to meet and talk with others and try avoid social situations .social phobia influence on academic and occupational function. many researches have confirmed the effect of family therapy based on cognigive-behavioral approach on social phobia. the main purpose of the present re...

Usually, in real-world engineering problems, there are different types of uncertainties about the studied variables, which can be due to the specific variables under investigation or interaction between them. Fuzzy cognitive maps, which addresses the cause-effect relation between variables, is one of the most common models for better understanding of the problems, especially when the quantitati...

Studies in cognitive linguistics have highlighted the importance of metaphors for language teaching. Metaphoric competence, as an important aspect of intelligence, can contribute to the learning of languages. Most textbooks in ESL/EFL avoid the issue of figurative language and concentrate only on the denotative aspects of language. This article reports a study conducted at the Islamic Azad Univ...