abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...

Background : With respect to the high prevalence of cardiovascular diseases and their related risk factors, obesity and abdominal obesity, among Iranians, the present study was conducted to determine the prevalence of obesity and abdominal obesity and their association with diet pattern of male adolescent in Tabriz .  Materials and methods : 341 male adolescent aged 14-16 years were randomly se...

Background & Aim: Obesity and being overweight are among the most important health threats in the current century. Students are among the people who are at high risk of obesity. Therefore, this study aimed to investigate the prevalence of obesity and overweight in students of Tehran University of Medical Sciences in 2015. Methods: This cross-sectional study was conducted on 342 students livi...

it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...

Background and Aim: Oxidative stress is reported to be the cause of many diseases, especially in the obese. Recently, the use of herbal supplements, particularly polyphenols – has been emphasized to prevent the formation of free radicals. Thus, the present study was performed to determine the effect of long-term pomegranate supplementation and aerobic training on total antioxidant activity and ...

this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...