one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

the purpose of this study was to investigate the effect of task repetition on accuracy of iranian efl learners ’speaking ability. in order to achieve this purpose, a null hypothesis was developed: there is no statistically significant difference between accuracy speaking ability in iranian efl learners by use of task repetition. ; of course i should mention that, beside this null hypothesis, an...

abstract english language learning in iran has become significant in recent years, and english has been included in the curriculum of iranian schools and universities, and considerable attention has been paid to this language in our society. nevertheless, teaching and learning english in iranian schools has not been able to satisfy the specified goals, so different efl institutes have been est...

Coronavirus disease 2019 (COVID-19) highly affected the people anywhere in the world. Iran has also been highly affected by this disease. We do not know if it is either a man-made or natural disease, which is beyond the scope of this paper. In any case, each disaster has two sides and brings both limitations and opportunities, and we must try our best to change the limitations into opportunitie...

this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...

in his last years of life americans had almost forgotton steinbeck, and those who had not, occasionally criticized him for supporting and praising the u. s. military intervention in the vietnam war. althought ateinbeck incorporates different themes into his works, each one bears many signs of his concern and sympathy for america and the american common people in particular. steinbecks to a god ...

What is morality’s scope? Should all our actions be evaluated morally? Is it necessary to be causally responsible for harm to have a responsibility to reduce it? Is there a morally relevant distinction between those consequences of our actions which we intend or do and those which we foresee but do not intend or allow but do not do? Is helping others a matter of supererogation (i.e. beyond the ...