نتایج جستجو برای: test and paired t
تعداد نتایج: 17025285 فیلتر نتایج به سال:
this study investigated the impact of explicit instruction of morphemic analysis and synthesis on the vocabulary development of the students. the participants were 90 junior high school students divided into two experimental groups and one control group. morphological awareness techniques (analysis/synthesis) and conventional techniques were used to teach vocabulary in the experimental groups a...
The one-sample paired t-test may be used to test whether the mean difference of two populations is greater than, less than, or not equal to a specific value. Because the t distribution is used to calculate critical values for the test, this test is often called the paired t-test. If the standard deviation of the differences is known, the normal distribution is used instead of the t distribution...
the present research was conducted to explore the effect of employing two language teaching approaches, i.e. schema-based instruction (sbi) and translation-based instruction (tbi), on vocabulary knowledge, structure and reading comprehension ability of forty one female students learning english in grade one senior high school in rivash, kuhsorkh, iran. while sbi focuses on schemata, i.e. words ...
یادگیری مشارکتی دارای مزایای فراوانی می باشد. اهداف اصلی این تحقیق عبارتند از: 1- تاثیر یادگیری مشارکتی بر دستاورد واژگان تخصصی دانشجویان، 2- تاثیر یادگیری مشارکتی بر نگرش دانشجویان و 3- تاثیر مدرسین متفاوت بر دستاورد دانشجویان در کلاسهای سنتی و مشارکتی. از بین 78 دانشجوی سال دوم داروسازی 60 نفر بطور تصادفی انتخاب و به دو کلاس مساوی تقسیم شدند. جهت کنترل تاثیر شخصیت مدرسین بر دستاورد دانشجویان ...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...
abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...
for any educational program to be successful, many factors work hand in hand. based on pervious efl studies, teachers and learners are the keys to gain achievement. granted the fact that explicit and implicit practice plays a key role in education, knowledge of it can help teachers facilitate students’ vocabulary learning. this study investigated to determine the contribution of explicit and i...
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
abstract introduction: diabetes mellitus is the most common metabolic and endocrine disease. depressed heart rate variability (hrv) is an early warning sign of diabetic neuropathy. in numerous studies, spironolactone improved hrv and decreased mortality in congestive heart failure (chf). this study was performed to assess the effect of spironolactone on hrv in diabetic patients. methods: this ...
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