نتایج جستجو برای: stage cluster sampling has been used
تعداد نتایج: 4997066 فیلتر نتایج به سال:
Background and Objectives: The Internet can be a useful and effective, and sometimes due to inappropriate use, endangers the mental health of users, and this has been the case in recent decades as one of the addictive factors.One of the effects of this addiction is to cause depression among people. Accordingly, the purpose of this study was to investigate the relationship between internet addic...
abstract this study investigated the predictability of variables from a motivational framework as well as individuals qualities to predict three non-linguistic outcomes of language learning. gardners socio-educational model with its measures has been used in the current study. individual qualities presented in this study include (1) age, (2) gender, and (3) language learning experience. the...
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
To evaluate the performance of the empirical predictors presented in San Martino et al. (2005), we compute the cases where they are the best, “equivalent” to the best (tables 1) or poor (table2). We consider only the case of equal unknown within cluster variances. First, we consider the cases in which each of the proposed predictors has the best performance, i.e. we compute the percentage of ca...
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