abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...

In addition to physical fitness, psychological factors can have a great impact on athletic performance. The aim of this study was to investigate the relationship between mental toughness, perceived motivational climate, and goal orientation among professional athletes. The research was a descriptive correlational study. The study population consisted of all professional athletes who participate...

in solvo-hydrothermal method, xrd pattern was indicated presence of intermediate of ammonium octatmolybdate and ammonium tetramolybdate, which were changed to stble phase of ?-moo3 annealing. sem images were indicated nanoparticle with semispheical morphology and tem image was demonstrated nanoparticles with a diameter size of 25nm. also in impregnate method. the xrd pattern was shown high crys...

Introduction: Empowerment is considered in organizatins due to the enough attention  to the staff’s need, in order to achieve further growth and therefore its impact on the productivity and efficiency of the organization. So The purpose of this study is to clarify the position and the role of mental models and to determine its relationship with empowerment of Yazd medical college sta...