نتایج جستجو برای: point biserial correlation and independent sample t

تعداد نتایج: 17074597  

1990
Edward W. Frees J. Monsour

Consider drawing a sample of ‘n’ experimental units where each unit is observed over ‘T’ time periods. Are the draws independent ? Small and large (in ‘n’) sample properties of a distribution-free statistic, built to assess the degree of correlation, are provided. Further, the large sample distribution is also investigated in the case where the statistic is evaluated using residuals from a comp...

ژورنال: رویش روانشناسی 2018

This research aimed to consider the relationship between responsibility with academic self-efficacy in the sixth elementary grade boys and girls students.The research method is descriptive-correlation. The study population consisted of all students of Shahindezh city school in the academic year 93-94. Research’s statistical sample includes 234 patients sixth elementary grade students, were chos...

Journal: :ActaUniversitatis Nicolai Copernici 2023

The current study aimed to investigate whether there are any differences between school teachers and academic in Poland concerning perceived difficulties linked the COVID-19 pandemic resilience; if so, identify differences. respondents included 139 teachers, including (n = 68) 71) who completed Resilience Assessment Scale (SPP-25) of Perceived Difficulties Associated with Pandemic (SOTCov19). G...

Journal: :Journal of speech, language, and hearing research : JSLHR 2002
Andrea L Pittman Patricia G Stelmachowicz Dawna E Lewis Brenda M Hoover

To accommodate growing vocabularies, young children are thought to modify their perceptual weights as they gain experience with speech and language. The purpose of the present study was to determine whether the perceptual weights of children and adults with hearing loss differ from those of their normal-hearing counterparts. Adults and children with normal hearing and with hearing loss served a...

Journal: :مدیریت ورزشی 0
رسول نوروزی سید حسینی دانشجوی دکتری دانشگاه تربیت مدرس هاشم کوزه چیان استاد دانشگاه تربیت مدرس محمد احسانی دانشیار دانشگاه تربیت مدرس سیامک فیض عسگری کارشناس ارشد دانشگاه تربیت مدرس ابراهیم نوروزی سید حسینی دانشجوی کارشناسی ارشد دانشگاه شهید بهشتی

the aim of this study was to determine the relationship between autonomy-supportive behaviours of coaches and sport commitment of iranian elite fencing players. this study used a descriptive correlation field method. the statistical population were comprised of all fencing players of premier league in iran and the statistical sample equalled the population (n=114). in order to collect data, dem...

this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this study examined the effect of prior knowledge and vocabulary teaching on iranian efl learners listening comprehension. the current study has two purposes: one is to investigate the effect of background knowledge on the second language listening comprehension of iranian intermediates and the other is to determine whether second language is facilitated by the introduction of unknown vocabularies in the form of prelistening activities. to conduct the study different instruments such as listening proficiency test and four listening tests such as pre and posttests were used and various statistical processes and techniques including paired-sample t-test, and analysis of variance (anova) were used. the findings of this study supported all three hypotheses tested. differences were found between the means of preteaching vocabulary variable, the background knowledge activation variable, and mean difference between these two strategies variable. subjects scored higher when the unknown words were taught in advance. likewise, subjects scored higher when they were asked some relevant questions about the topic than on those without them. there was, in addition, a significant difference between the means of preteaching vocabulary strategy and background knowledge activation strategy. in fact, preteaching vocabulary had a better effect in enhancing the students’ listening comprehension, in comparison to background knowledge activation strategy.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده تربیت بدنی علوم ورزشی 1390

this research was conducted to examine the effect of a concurrent training on rest level of leptin of plasma and some hormonal factors in non-athlete subjects. the research population included non-athlete men who didn’t participate in any organized sport activities. 30 men were chosen voluntarily among the above-mentioned population and were divided into 2 groups: experimental (15 subjects) an...

Journal: :Croatian Economic Survey 2021

Accounting standards allow the application of two models for subsequent measurement property, plant, and equipment, those are cost model revaluation model. The a certain depends on manager’s choice accounting policy. main goal this paper is to investigate equipment in Croatian companies. Further goals examine how fair value revalued assets determined, what level disclosed information about dete...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1392

the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...

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