نتایج جستجو برای: treatment types

تعداد نتایج: 1835036  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

Journal: :JAMA: The Journal of the American Medical Association 1913

Journal: :Chirurgia Narządów Ruchu i Ortopedia Polska 2019

Journal: :Open Access Journal of Biomedical Engineering and Biosciences 2018

Journal: :Journal of Inherited Metabolic Disease 2007

Journal: :Journal of Econometrics 2023

In this paper, I consider identification of treatment effects when the is endogenous. The use instrumental variables a popular solution to deal with endogeneity, but may give misleading answers instrument invalid. show that an (unobserved) invalid due correlation first stage unobserved heterogeneity, proxy for helps partially identify not only local average effect, also entire potential outcome...

Journal: :AL-Kindy College Medical Journal 2020

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

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