this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...

in this thesis, a structured hierarchical methodology based on petri nets is used to introduce a task model for a soccer goalkeeper robot. in real or robot soccer, goalkeeper is an important element which has a key role and challenging features in the game. goalkeeper aims at defending goal from scoring goals by opponent team, actually to prevent the goal from the opponent player’s attacks. thi...

Background: Today, one of the effective ways of providing services is contracting with outside of organization and outsourcing. Objective: The current study aimed to investigate effect of outsourcing on performance of nutrition unit in studied hospitals. Methods: The current descriptive – analytical study performed in 2013, in two non-military hospitals and two military hospitals. 602 patien...

Introduction: Hospital Information System (HIS) is universal software for integrating information of patients, with the aim of improving the quality and reducing the costs. So, given the importance of these systems, continuous evaluation of hospital information is essential. The main goal of this study is to find and select pattern(s) suited for evaluating efficiency of these systems. Method...