نتایج جستجو برای: sample and independent t
تعداد نتایج: 17003491 فیلتر نتایج به سال:
Researchers and scholars have been attracted by the idea of using integrated writing task along with independent writing task to best assess the EFL learners’ writing competence. This study was conducted to compare the writing performance of EFL students in integrated and independent writing tasks. It also aimed to find out if writing performance varies with task types. A number of thirty Irani...
12 سگ سالم (عاری از هرگونه اختلال چشمی) برای انجام مطالعه انتخاب شدند. در ابتدای مطالعه و قبل از شروع تجویز داروی پروپاراکایین هیدروکلراید 5/0% ، تست شیرمر برای هر دو چشم در تمامی سگ ها انجام شد؛ سپس دارو در گروه تیمار در کیسه ی ملتحمه تجویز شد. تست شیرمر در دقایق 5،10،15،20،25،30،35 و40 تکرار شد. آزمون تک نمونه ی kolmogorov-smirnov، برای ارزیابی این که آیا داده های خام به صورت نرمال توزیع شده ...
Extended Abstract Background and objectives: One of the important steps in assessing rangeland vegetation is determining the sample size. Adequacy of sample size and its determination is always one of the main concerns of rangeland vegetation analyzer. There are two general methods for determining the sample size in rangeland science: graphic and statistical methods. In this study, the sample...
This is a cross-sectional study that aims to identify the prevalence of lower independent living skills and their associations in 390 users of psychiatric community-based services in the state Rio Grande do Sul, Brazil. For tracing the outcome it was used the "scale Independent Living Skills Survey", adopting a cut-off value lower than 2. The crude and adjusted analyses were conducted on binary...
چکیده : پژوهشگر در این تحقیق سعی کرده رویکرد مقایسه ای بصورت ارزیابی خصوصی سازی قبل و بعد از اجرای برنامه های خصوصی سازی را مدنظر قرار دهد. بطور کلی اهداف این پژوهش در دو بعد نظری و کاربردی طبقه بندی می گردد. تدوین ادبیات و کمک به غنی تر شدن مبانی نظری موضوع با استفاده از نظریات علمی از یکسو و شناسایی فعالیت های تئوریک و مفهومی دیگران با رویکرد مقایسه ای از سوی دیگر بخشی از اهداف نظری این تحقی...
The purpose of this study was to compare narcissistic personality in addicted and normal individuals. The research method was causal-comparative. The statistical population included all referrers to clinics from the first and second districts of Tehran in the last quarter of 2016. The sample consisted of two groups. The first group included individuals referred to one of the addiction treatment...
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...
objectives: some studies show that quality of life in elderly can change due to aging process and its natural limitations. there are many methods to improve quality of life in old age, and doing simple physical exercises are among the easiest and the most cost effective methods that can improve quality of life in old persons. this study investigates the effect of aerobic exercise on quality of ...
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