نتایج جستجو برای: sample t test was used findings
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Ask experts what would be an important reduction in amount consumed. Need some idea of the SD of a within-child difference in consumption from a four hour period in one day to a four hour period in another day. Could do a pilot study with say 10 children measured [without any intervention] on two different days and get the SD of the 10 differences. Then use sample size formula for 1 sample t-te...
Objectives: The purpose of current study was to compare the effect of aging on balance in different sensory conditions. Methods & Materials: In this cross sectional study we compared 20 healthy youth (with age 22.75±2.29) and 20 healthy older adults (with age 65.1±4.16) in single leg standing in different sensory conditions. Sensory conditions were open eye/ hard surface (OEHS), closed eye/ ...
the current study aimed to examine the role of state-trait anxiety and resiliency in test anxiety. the research was conducted on a sample of 153 high students who completed questionnaire measures of state-trait anxiety (stai-t), trait resilience (cd-risc) and test anxiety (ta). pearson correlation and regression analyze were used to data analyze. consistent with the assumption, results indicat...
abstract objectives gradual increase length and complexity of utterance (gilcu) therapy method is a form of operant conditioning. this type of treatment is very precise and controlled that is done in 54 steps in 3 speech situations consisted of monologue, reading and conversation. this study aimed to examine the effects of gilcu treatment method on reduction of speech dysfluency of school-age...
abstract ion selective electrodes (ises) are electrochemical sensors that respond selectivity to the activity of ionic species. an ion-selective electrode is an electrochemical device that uses a thin selective membrane or film as the recognition element, and is an electrochemical half-cell equivalent to other half-cells of the zeroth (inert metal in a redox electrolyte). in common methods o...
قریب به 70 درصد یعنی 69.9 درصد جمعیت بخش میرجاوه در سال 1385 در روستاها زندگی می کنندکه این میزان بیش از 2 برابر میزان درصد روستانشینی درکشور است که ضرورت مدیریت روستایی دقیق و همه جانبه را در منطقه الزامی می سازد. با توجه به اهمیت و نقش دهیاری ها در امر مدیریت نوین روستایی و اینکه اعمال مدیریت صحیح بدون تجزیه وتحلیل امکان پذیر نمی باشد؛ پژوهش حاضر با هدف بررسی عوامل موثر بر عملکرد دهیاران بخش ...
the aim of this study was to determine the situation of organizational citizenship behavior (ocb) in the sport organization of tehran municipality. the method of the study was descriptive-analytic and it was conducted as a field study. the population consisted of sport experts of this organization (n=90). the sample equaled the population. netmeyer's (1997) questionnaire of organizational ...
چکیده هدف اصلی این پژوهش شناسایی الزامات نظام مدیریت کیفیت فراگیر در حوزه پژوهشی دانشگاه اصفهان بود. سوالهای پژوهش با توجه به مولفه های مدیریت کیفیت (تعهد مدیران، بهبود مستمر فرایندها ، مشتری محوری ، منابع انسانی ، مدیریت اطلاعات ، زیرساختهای کیفیت ، استفاده از نتایج ، انعطاف پذیری، مشارکت در فعالیتهای پژوهشی، ایجاد فرهنگ کیفیت و تناسب ساختارهای سازمانی) که بر اساس مطالعه استانداردهای بین المل...
with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...
esl/efl books play a crucial role in shaping language learners worldview of gender roles in society. the present study investigated the status of sexism in two sets of efl textbooks, one developed by non-native iranian authors (ili series) and the other by native authors (top notch series). first, two books from each series was selected randomly. then, a quantitative analysis was carried out wi...
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