this study examines the effetivenss of task-based activities in helping students learn english language structures for a better communication. initially, a michigan test was administered to the two groups of 52 students majoring in english at the allameh ghotb -e- ravandi university to ensure their homogeneity. the students scores on the grammar part of this test were also regarded as their pre...

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...

according to coates’s (2004, as cited in zhang, 2010) definition of "conversational dominance" (p.111), it refers to the phenomenon of a speaker dominating others in interaction. specifically, it means how a speaker makes use of certain strategies to get the floor and maintain the floor. thus, the amount of talk is the main measurement for the dominance of the conversation. whether a speaker do...

having conducted the experiment and analysed the data, the researcher computed the groups mean scores and variances for the test relating to the research question. as the final atep, a t-test was conodonted for the hypothesis. as noted earlier, the significance level was determined at .05 and .01 respectively. the observed t-value was higher than the critical t-value at. 5 and .01 levels. conse...

This experiment was conducted to investigate the effect of whey via drinking water on broiler chicken performance. In a completely randomized design, whey at levels of zero, 10, 20, 40, 80, and 100% of drinking water was used for 47 days. 720 day-old broilers (Ross) were divided into 24 groups, 30 chicks per group and each experimental treatment was given to four replicates from 7-54 days of ag...

this study was conducted to investigate the impact of portfolio assessment as a process-oriented assessment mechanism on iranian efl students’ english writing and its subskills of focus, elaboration, organization, conventions, and vocabulary. out of ninety juniors majoring in english literature and translation at the university of isfahan, sixty one of them who were at the same level of writing...

This experiment was conducted to investigate the effect of whey via drinking water on broiler chicken performance. In a completely randomized design, whey at levels of zero, 10, 20, 40, 80, and 100% of drinking water was used for 47 days. 720 day-old broilers (Ross) were divided into 24 groups, 30 chicks per group and each experimental treatment was given to four replicates from 7-54 days of ag...