نتایج جستجو برای: pearson correlation coefficient test and fisher

تعداد نتایج: 16938624  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران 1381

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...

Journal: :iranian journal of nursing and midwifery research 0
soheila mohamadirizi masoumeh kordi

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...

2004

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...

Journal: :CoRR 1996
Ted Pedersen

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...

Journal: :Stomatologija 2011
Ilze Maldupa Anda Brinkmane Anna Mihailova

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...

ژورنال: طب کار 2021

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 ...

2002
G. D. RAYNER

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...

Journal: :JAMDS 2002
G. D. Raynery

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...

Journal: :مجله دانشگاه علوم پزشکی قم 0
زهرا تقربی z tagharrobi kashan university of medical sciencesدانشگاه علوم پزشکی کاشان، کاشان خدیجه شریفی kh sharifi kashan university of medical sciencesدانشگاه علوم پزشکی کاشان، کاشان زهرا سوکی z sooky kashan university of medical sciencesدانشگاه علوم پزشکی کاشان، کاشان لیلا تقربی l tagharrobi kashan university of medical sciencesدانشگاه علوم پزشکی کاشان، کاشان

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 ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید