نتایج جستجو برای: performance test

تعداد نتایج: 1750805  

2014
Jakob Abeßer Johannes Hasselhorn Sascha Grollmisch Christian Dittmar Andreas Lehmann

In this paper, we introduce an approach for automated testing of music competency in rhythm production of ninthgrade and tenth-grade pupils. This work belongs in the larger context of modeling ratings of vocal and instrumental performances. Our approach relies on audio recordings from a specialized mobile application. Rhythmic features were extracted and used to train a machine-learning model w...

Journal: :Computers & Education 2006
Annie Magnan Jean Écalle

This study tested the effectiveness of audio-visual training in the discrimination of the phonetic feature of voicing on the recognition of written words by young children deemed to at risk of dyslexia (experiment 1) as well as on dyslexic children s phonological skills (experiment 2). In addition, the third experiment studied the effectiveness of this word recognition training in dyslexic chil...

Journal: :International journal of sports physiology and performance 2011
Carol A Parise Martin D Hoffman

BACKGROUND Even pacing has been recommended for optimal performances in running distances up to 100 km. Trail ultramarathons traverse varied terrain, which does not allow for even pacing. PURPOSE This study examined differences in how runners of various abilities paced their efforts in the Western States Endurance Run (WSER), a 161 km trail ultramarathon in North America, under hot vs cooler ...

2011
Dan J. Kim Hisham Al-Mubaid Kwok-Bun Yue Nouhad Rizk

Interactive student response systems (SRSs) are becoming popular as many instructors at the tertiary level education institutions adopt the systems to transform traditional passive lectures into interactive classes. Despite the popularity and numerous benefits of SRSs, there is conflicting evidence regarding the current levels of perceptions and actual performances before and after use the syst...

2014
Xing Qiu Rui Hu Zhixin Wu

Normalization procedures are widely used in high-throughput genomic data analyses to remove various technological noise and variations. They are known to have profound impact to the subsequent gene differential expression analysis. Although there has been some research in evaluating different normalization procedures, few attempts have been made to systematically evaluate the gene detection per...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم 1390

نیتروژن به عنوان ضروری ترین عنصر معدنی برای رشد گیاهان می باشد. بیشتر گیاهان عالی نیتروژن مورد نیاز خود را به فرمهای نیترات و آمونیوم به دست می آورند. آزمایشات اولیه با اندازه گیری کینتیک جذب نیترات نشان می دهد که در گیاهان عالی حداقل دو سیستم انتقال نیترات وجود دارد .سیستم lats (low affinity transport system) با تمایل کم که در غلظت بالاتر از ?/0 میلی مولار نیترات فعال می شود و سیستم تمایل بالا...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور مرکز - دانشکده ادبیات و زبانهای خارجی 1392

این مطالعه به دو روش کمی و کیفی و با هدف بررسی استراتژی های فراشناختی فراگیران زبان انگلیسی به عنوان زبان خارجی در دو آزمون نوشتن و نوشتن ترکیبی انجام پذیرفت. در بخش کمی برای سنجش میزان استراتژی های فراشناختی از یک پرسشنامه که بر اساس مدل بکمن و پالمر (1996) ساخته شده بود استفاده شد. پایایی و روایی سازه ی پرسشنامه هنگام مطالعه ی پایلوت و روایی محتوای آن با جمع آوری نظرات نُه متخصص در رشته سنجیده...

Journal: :CoRR 2008
Alain Lifchitz Sandra Jhean-Larose Guy Denhière

This paper presents the current state of a work in progress, whose objective is to better understand the effects of factors that significantly influence the performance of Latent Semantic Analysis (LSA). A difficult task, which consists in answering (French) biology Multiple Choice Questions, is used to test the semantic properties of the truncated singular space and to study the relative influ...

Journal: :basic and clinical neuroscience 0
ahmad ghanizadeh research center for psychiatry and behavioral sciences, shiraz university of medical sciences, hafez hospital, shiraz, iran. salar safavi school of medicine, shiraz university of medical sciences, shiraz, iran. michael berk deakin university, school of medicine and barwon health, geelong, australia.

introduction: the utility and discriminatory pattern of the clock face drawing test in adhd is unclear. this study therefore compared clock face drawing test performance in children with adhd and controls. methods: 95 school children with adhd and 191 other children were matched for gender ratio and age. adhd symptoms severities were assessed using dsm-iv adhd checklist and their intellectual f...

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