نتایج جستجو برای: utilizing one sample t
تعداد نتایج: 2921728 فیلتر نتایج به سال:
BACKGROUND During the last 30 years, the median sample size of research studies published in high-impact medical journals has increased manyfold, while the use of non-parametric tests has increased at the expense of t-tests. This paper explores this paradoxical practice and illustrates its consequences. METHODS A simulation study is used to compare the rejection rates of the Wilcoxon-Mann-Whi...
abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...
Aims / Objectives: To introduce a statistical test, which is mixture of the one-sample t-test and Wilcoxon signed-rank test depends on sample kurtosis, using data from symmetric univariate distribution with finite variance.
 Study Approach: Computer simulation coverage probabilities power calculations either or based software R.
 Methodology: Data are generated differing sizes Normal,...
Likert types of rating scales in which a respondent chooses a response from an ordered set of response options are used to measure a wide variety of psychological, educational, and medical outcome variables. The most appropriate item response theory model for analyzing and scoring these instruments when they provide scores on multiple scales is the multidimensional graded response model (MGRM) ...
abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...
Learning Problem Solving Methods in order to Reduce Stress and Anxiety, and Increase Achievement Motivation T. Aboutalebi Ahmadi Learning to solve problems can help reduce anxiety and stress on the one hand, and increase chances of success, on the other. A sample of 78 freshmen at a teacher training college was randomly selected from among 156, and then divided into two groups of ...
این مطالعه به بررسی رابطه میان دریافت شنیداری و میزان تحمل ابهام و سطوح بالا، متوسط و پایین آن در زبان آموزان ایرانی در اصفهان می پردازد.علاوه بر این، تاثیر تدریس ضمنی صورت های خفیف و اتصال گفتاری در تلفظ، بر دریافت شنیداری و تاثیر این آموزش ها و گذر زمان در تغییر سطح تحمل ابهام بررسی شده است. پس از همگون سازی شرکت کنندگان به وسیله آزمون تعیین سطح آکسفورد، 82 شرکت کننده به 4 زیرگروه کنترل و آزم...
چکیده: مدیریت دانش به عنوان یک رویکرد که بر اساس آن سازمان به شناسایی ، خلق ، دست یابی و بکارگیری دانش به منظور بهبود و ارتقاء بهره وری در سازمان می پردازد ، معرفی می گردد . امروزه نقش و اهمیت مدیریت دانش بیش از پیش آشکار شده و اجرای موفق آن می تواند تأثیر بسزایی در افزایش کارایی و اثربخشی سازمان داشته باشد، از اینرو شناخت عواملی که باعث تسهیل در پیاده سازی مدیریت دانش گردیده و نیز بکارگیری ای...
abstract compound is a word-formation process that are made two free morpheme (independent) and forms a new word with a new meaning that consists of meaning of both two component of compound. avestan language is one of the ancient iranian languages that is one of the indo-iranian languages. indo-iranian languages is one branch of indo-european languages. structure of compound noun and adjectiv...
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