Introduction: ADHD (attention deficit hyperactivity disorder) is a neuro-behavioral syndrome that is characterized by a lack of attention, irritability, high activity, distressed behaviors, especially in boys. Materials and Methods: A cohort study was conducted on 120 children aged 6 years. 60 children with low birth weight (less than 2500 g) as exposed group and 60 children with birth weight m...

Background: Chest pain is one of the most common causes of children visit in the cardiology clinic. In a significant number of pediatric patients the cause is non cardiac origin. Anxiety and depressive disorders in children are common and can be the cause of many other disorders. This study was designed to evaluate anxiety and depressive disorders in children with chest pain. Methods: In this ...

with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...

uncertainty in the financial market will be driven by underlying brownian motions, while the assets are assumed to be general stochastic processes adapted to the filtration of the brownian motions. the goal of this study is to calculate the accumulated wealth in order to optimize the expected terminal value using a suitable utility function. this thesis introduced the lim-wong’s benchmark fun...

the present study was an attempt to determine the types of motivation and levels of foreign language learning anxiety among efl students studying at azad and state universities in kermanshah and to determine the relationship between these two factors and language proficiency and gender. to this end, the foreign language learning motivation scale, by deci and ryan )1985(, were administered to 12...

efl/esl textbooks have been regarded as essential language teaching materials with which the learners spend about 70 up to 90 percent of their class time. the important role they play and their vast use make them not only influential in learning the language but also in shaping values and attitudes. put it another way, textbooks socialize learners using their contents (i.e. texts, illustrations...