Many factors may be involved in determining why some students are more and some are less proficient in language. This study tried to explore the factors affecting Iranian EFL learners’ proficiency. 221 students at second, third and fourth year of university, including 50 male and 171 female were selected randomly to participate in the study. A researcher-made questionnaire and a proficiency tes...

This paper studies the effects of psychological, individual, product strategy, and situational factors on the impulse purchase behavior of customers in all Refah stores located in Tehran. The paper uses Betty and Ferrell Model to set forward and to test 4 hypothesis. All four hypothesis were confirmed. The results indicated that the selected factors had impact on the impulse behavior of the con...

Objective: Low back pain is one of the most important job injuries among emergency medical personnel. This study was carried out to investigate the prevalence of low back pain as well as its physical, mental and managerial predisposing factors among emergency medical personnel in Iran.Methods: In this analytical cross-sectional study we recruited 298 pre-hospital emergency medical personn...

This paper studies the effects of psychological, individual, product strategy, and situational factors on the impulse purchase behavior of customers in all Refah stores located in Tehran. The paper uses Betty and Ferrell Model to set forward and to test 4 hypothesis. All four hypothesis were confirmed. The results indicated that the selected factors had impact on the impulse behavior of the con...

Undoubtly, land degradation causes apparent decrease of natural resources potential which are highly linked to desertification. Different countries and also international organization have realized a great number of projects to combat desertification. Unfortunately these projects have not reach to their goals. The experiences shows that the reason of these unsuccessful works is lack of consider...

Background and aims: Normal pregnancy and its successful outcome require intake of sufficient food. Undesirable nutrition is directly associated with pregnancy outcome, therefore, its prevention is the best strategy to maintain maternal and fetal health. The present study was conducted to investigate the prevalence of malnutrition during pregnancy and associated factors in women of Ard...

The focus of most previous research concerning tardive dyskinesia has been on the impact of risk factors on the development( incidence) of this syndrome. In this paper, we report our results on the relationship between risk factors and the severity of tardive dyskinesia. A total of 33 patients diagnosed as tardive dyskinesia with no other medical illness studied: 21 males and 12 females with a ...

BACKGROUND AND AIM: Dental caries is a multifactorial disease with a complex etiology. The social-behavioral factors play an important role in development of dental caries. This study aimed to evaluate the effect of social-behavioral factors on dental caries in 3-6-year-old children in Kerman, Iran.METHODS: This cross-sectional descriptive-analytical study was conducted on 857 children aged 3-6...

The diversity and distribution of the rotifers family Notommatidae was studied in the northwest, the south and the southwest of Iran. In total, 29 species were identified, of which, 25 are new records for the country. New records include the following species: Cephalodella forficata, C. cf. mus, C. vittata, C. ventripes, C. lepida, C. inquilina, C. gibboides, C. tincaformis , C. obvia, C. stere...

A two dimensional finite model with inclined crack at different crack angles are being analyzed in mixed mode condition using photo elasticity method for the determination of Stress Intensity Factors. The well-known Sih’s equation and three points deterministic approach is used for the determination of stress intensity factors. The effects of biaxial load factor, crack angle, size factors were ...