نتایج جستجو برای: pearson correlation coefficient test and fisher
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دراین پژوهش تاثیر آموزش لغات از طریق عبارات واژگانی (lexical phrases) بر یادگیری آنها بررسی شده است . بدین منظور یک گروه همگن متشکل از 64 دانش آموز مقطع پیش دانشگاهی به صورت تصادفی به دو گروه دیگر تقسیم شدند . در گروه a که شامل 32 دانش آموز بود ، لغات جدید در بافتهای عبارات واژگانی تدریس شد . در گروه b که شامل 34 دانش آموز ، همان لغات در بافت های معمولی (ordinary & manipulated con...
background: menstruation signs are among the most common disorders in adolescents and are influenced by various environmental and psychosocial factors. this study aimed to define the association between menstruation signs and anxiety, depression, and stress in school girls in mashhad in 2011-2012. materials and methods: this was a cross-sectional study on 407 high school girls in mashhad who we...
Kendall Rank Correlation Let (X1, Y1), · · · , (Xn, Yn) be a bivariate random sample of size n. The Pearson correlation coefficient provides an optimal measure of the degree of association between the X’s and the Y ’s when the sample is drawn from a bivariate normal distribution. The Pearson correlation coefficient is reasonably robust for many other distributions as well. The Kendall correlati...
Statistical methods for automatically identifying de pendent word pairs i e dependent bigrams in a cor pus of natural language text have traditionally been performed using asymptotic tests of signi cance This paper suggests that Fisher s exact test is a more ap propriate test due to the skewed and sparse data sam ples typical of this problem Both theoretical and experimental comparisons between...
OBJECTIVE. The purpose of this study is to evaluate the ability of two commercial strip tests and laboratory titration to detect saliva buffer capacity. MATERIALS AND METHODS. Sixty-four patients were examined. Stimulated saliva was collected and buffer capacity was determined with two different chair-side strip tests in addition to immediate transportation to the laboratory to check the buffer...
Introduction: Modified Euro Quest questionnaire to assess neurological and psychiatric effects caused by exposure to organic solvents is used. This study investigates the validity, reliability, and usability of the modified Euro Quest questionnaire in Iran. Materials and Methods: This cross-sectional descriptive study was conducted on 206 workers of color and textile industries. Modified Euro ...
The Pearson-Fisher chi-squared test can be used to evaluate the goodnessof-fit of categorized continuous data with known bin endpoints compared to a continuous distribution, in the presence of unknown (nuisance) distribution parameters. Rayner and McAlevey [11] and Rayner and Best [9],[10] demonstrate that in this case, component tests of the Pearson-Fisher chi-squared test statistic can be obt...
The Pearson-Fisher chi-squared test can be used to evaluate the goodnessof-fit of categorized continuous data with known bin endpoints compared to a continuous distribution, in the presence of unknown (nuisance) distribution parameters. Rayner and McAlevey [11] and Rayner and Best [9],[10] demonstrate that in this case, component tests of the Pearson-Fisher chi-squared test statistic can be obt...
background and objectives: life satisfaction is one of the most important indicators for evaluation of mental health status in general population including university students. in this field, the appropriate tool is necessary. so, this study was carried out in order to assess the reliability and validity of the swls in the students of kashan nursing & midwifery faculty (knmf), kashan, iran, in ...
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