Since software systems play an important role in applications more than ever, the security has become one of the most important indicators of softwares.Cloud computing refers to services that run in a distributed network and are accessible through common internet protocols. Presenting a proper scheduling method can lead to efficiency of resources by decreasing response time and costs. This rese...

In vehicular edge computing, network performance and computing resources dynamically change, vehicles should find the optimal strategy for offloading their tasks to servers achieve a rapid service. this paper, we address multi-layered vehicle edge-computing framework, where each can choose one of three strategies task offloading. For best performance, propose prediction-based task-offloading sc...

the necessity and importance of teaching pragmatics has come to light by many researchers (e.g. rose & kasper, 2001). due to the consensus over the need to teach pragmatic competence, the main issue now centers on the question of how we should teach this competence in the most effective way. consistent with this line of research, the present study aimed to investigate the effectiveness of d...

This study examined the effects of aural and written prompts under two planning conditions (i.e. pre-task planning and no planning) on complexity, accuracy, and fluency of test takers' writing production. Forty learners in an English institute, who had already been classified as intermediate according to the Oxford Placement Test, were assigned to two planning conditions (i.e. no planning and p...

introduction: children with attention deficit hyperactivity disorder have problem in sustain attention that is necessary for learning. the purpose of present study is comparing explicit and implicit memory in children with attention deficit disorder and typically developing children. material and methods: in present cross sectional study, fifteen children with attention deficit disorder compare...

Navigation strategy is an important component of spatial navigation. In the present study, we developed an assessment of human navigation strategy using a virtual analog of an assessment of animal navigation strategy. We examined the relationship between age, sex, and navigation strategy preference on subsequent performance of the virtual Morris Water Task (vMWT). On our novel assessment of nav...

this experimental study examined the effectiveness of using focused and unfocused tasks on iranianintermediate efl learners’ performance in producing noun, adjective, and adverb clauses. in addition,the aim of this study was to explore the effects of form-focused instruction and the feedback studentsreceived from their teacher after doing focused grammar tasks. data consisted of the scores ofth...

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