نتایج جستجو برای: way anova p

تعداد نتایج: 1694090  

Journal: :The Journal of prosthetic dentistry 2010
Jens Fischer Bogna Stawarczyk Irena Sailer Christoph H F Hämmerle

STATEMENT OF PROBLEM Ceria-stabilized tetragonal ZrO(2)/Al(2)O(3) nanocomposite (Ce-TZP/A) offers superior properties compared to yttria-stabilized zirconia (Y-TZP). However, the bond quality to veneering ceramics has not been investigated. PURPOSE The purpose of this study was to evaluate the bond strength of different veneering ceramics to Ce-TZP/A. MATERIAL AND METHODS Cubes of Ce-TZP/A ...

Journal: :Current Biology 2014
David K.A. Barnes Mairi Fenton Ashley Cordingley

number of spatial competitors (Supplemental information). These 'indicators' appeared stable up to 2006 but have decreased abruptly since. Mean percentage cover by encrusting fauna was >26% before 2006 and has been <23% since (%cover significantly decreased with increased ice scour; one-way ANOVA, F = 3.9, p = 0.011). The major space occupiers, bryozoans, dominated this assemblage in terms of r...

2015
Chongfeng Bu Kankan Zhang Chunyun Zhang Shufang Wu Manuel Reigosa

Biological soil crusts (BSCs) are a widespread photosynthetic ground cover in arid and semiarid areas. They have many positive ecological functions, such as increasing soil stability, and reducing water and wind erosion. Using artificial technology to achieve the rapid development of BSCs is expected to become a low-cost and highly beneficial ecological restoration measure. In the present study...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده ادبیات و زبانهای خارجی 1391

از زمان پیدایش رویکرد پروسه-محوری در آموزش مهارت نوشتاری در زبان دوم مسائل مهم در امر آموزش مهارت نوشتار، نحوه و چگونگی ارائه بازخورد اصلاحی به نوشتار دانشجویان بوده است. در این مطالعه سعی شده است تا تاثیر بازخوردهای اصلاحی صریح و ضمنی بر روی صحت و درستی نوشتار دانشجویان با مهارت زبانی متوسط در ایران و در یک محیط دانشگاهی (n = 59) مورد بررسی قرار بگیرد. قبل از اجرای پروژه آزمون تافل وپیش آزمون ...

Journal: :Mathematics and Statistics 2020

2007
VANESSA DIDELEZ

This paper aims at constructing stepwise test procedures based on the Bonferroni{ Holm principle for a multi{way ANOVA. Especially for the two{way ANOVA it is shown, that the procedures keep the multiple level. These theoretical results are supplemented by a simulation study to compare the multiple procedures regarding two power concepts and to learn about which of the introduced procedures is ...

2013
Nadir Omer Fadl Elssied Othman Ibrahim Ahmed Hamza Osman

Spam is commonly defined as unwanted e-mails and it became a global threat against e-mail users. Although, Support Vector Machine (SVM) has been commonly used in e-mail spam classification, yet the problem of high data dimensionality of the feature space due to the massive number of e-mail dataset and features still exist. To improve the limitation of SVM, reduce the computational complexity (e...

2009
B. Bertaccini R. Varriale

In this work, we present a simple robust method for the detection of atypical observations and the analysis of their effect in the ANalysis Of VAriance framework. In particular we will relate to the multi-way ANOVA, as an extension of the work by Bertaccini and Varriale (2007). The key statistic in the ANOVA is the F test of group means’ differences. The test is very powerful under classical as...

2007
VANESSA DIDELEZ

This paper aims at constructing stepwise test procedures based on the Bonferroni Holm principle for a multi way ANOVA Especially for the two way ANOVA it is shown that the procedures keep the multiple level These theoretical results are supplemented by a simulation study to compare the multiple procedures regarding two power concepts and to learn about which of the introduced procedures is the ...

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