نتایج جستجو برای: experimental method
تعداد نتایج: 2207140 فیلتر نتایج به سال:
abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...
abstract this study examined the relationship between noticing pronunciation and the improvement pronunciation by administering a 50 item story, as proficiency- test in order to investigate the effectiveness of noticing pronunciation on the improvement of pronunciation. accordingly 60 qualified students were selected and assigned to the two groups of experimental and control randomly, each gr...
this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...
In genetic algorithm, the most commonly used recombination operator involves two parents to produce offspring. A few attempts to study the effect of using multi-parent recombination in genetic algorithm have been reported in the literatures [1][3]. The rationale is to bias the recombination with more parents to improve the performance. In evolution strategies, a recombination operation was firs...
It is very challenging for humans to program a humanoid robot to act properly in human environment. Humans have a fundamental limitation in constructing an adequate model for the world or an adequate behavior model for the robot, because of the complexity of such models and the unpredictable unknown environments that the models must apply. This article introduces a new approach to intelligent r...
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