نتایج جستجو برای: focused tasks
تعداد نتایج: 350483 فیلتر نتایج به سال:
Previous research has examined the relationship between avatar representation and the sense of presence and co-presence in a shared virtual environment. A positive correlation has been found between the realism of the representation and both categories of presence. However, to our knowledge no research has focused explicitly on the effect of avatar representation in general and connectedness or...
شتابگرهای ویک فیلد پلاسمایی نسل پیشرفته ای از شتابگرها هستند که می توانند پرتو الکترونی را تا چند صد gev/m شتاب دهی کنند. وقتی پالس لیزر از میحط پلاسما عبور کند تحت تاثیر آن میدان های الکتریکی طولی (ویک) در پلاسما تولید می شود که منجر به شتاب دهی ذرات باردار ثانویه می گردد. پلاسما می تواند میدان الکترویکی تا آستانه شکست غیر نسبیتی را تحمل کند. معادلات موج برای شاره سرد معادله پیوستگی و معادلات ...
Consciousness-raising (CR) task is a new way of teaching grammar developed in communicative contexts although little has been written on the effectiveness of CR tasks in EFL setting. The present study is an attempt to investigate the impact of CR tasks in Iranian EFL setting by comparing them with deductive, grammar lessons common in the Iranian schools. The subjects of this study were 80 EFL p...
the present study sought to examine whether a task-based approach could have an impact on raising awareness of collocations. moreover, it sought to investigate the facilitative role of consciousness-raising tasks of collocations in the communicative instances of use. to this end, 68 intermediate learners of english were selected via a placement test. the participants were taught with classroom ...
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...
OBJECTIVE Verbal instructions comprise an important element of clinical practice, however, their effectiveness in promoting movement organization in persons with cerebrovascular accident (CVA) has not been well investigated. METHOD A counterbalanced, repeated-measures design was used to examine the effects of externally focused (task-related) versus internally focused (movement-related) instr...
blind source separation technique separates mixed signals blindly without any information on the mixing system. in this paper, we have used two evolutionary algorithms, namely, genetic algorithm and particle swarm optimization for blind source separation. in these techniques a novel fitness function that is based on the mutual information and high order statistics is proposed. in order to evalu...
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