نتایج جستجو برای: paired sample ttest

تعداد نتایج: 450812  

2015
Mark A. Deimund Luke Harrison Jonathan D. Lunn Yu Liu Andrzej Malek Mark E. Davis

SSZ-13 materials have been synthesized with varying amounts of Al to produce samples with different concentrations of Brønsted acid sites, and consequently, these SSZ-13 materials contain increasing numbers of paired Al heteroatoms with increasing Al content. These materials were then characterized and tested as catalysts for the methanol-toolefins (MTO) reaction at 400 °C and 100% methanol con...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده ادبیات، زبانهای خارجی و تاریخ 1391

the present study sought to examine whether a task-based approach could have an impact on raising awareness of collocations. moreover, it sought to investigate the facilitative role of consciousness-raising tasks of collocations in the communicative instances of use. to this end, 68 intermediate learners of english were selected via a placement test. the participants were taught with classroom ...

2015
Eun Hee Choi Eun Hwi Kim

This study was conducted to verify effects of repeated simulationexposure by the role on hospital emergency care. A non-equivalent control group design was used in this study. 144 nursing students had 6 time simulation-based educations. The experimental group (n=65) had leader experiences but the control group (n=79) didn’t have. Satisfaction, selfevaluation and performance were measured to com...

2011
Hery Heryanto

A R T I C L E I N F O Strategy, Marketing, Loyalty, Customer, Bajapuik Savings & BPR Gunung Pangilun. Received 20 April 2011 Received in revised form 23 April 2011 Accepted 24 April 2011 Available online 26 April 2011 This study attempts to look and see if the marketing strategy of product, price, and location and upon promotion will affect customer loyalty bajapuik savings on PT.BPR Berok Gunu...

2004
Albert Maydeu-Olivares

Modeling how we choose among alternatives, or more generally, modeling preferences, is one of the core topics of study in Psychology. Preferences can be studied experimentally using a variety of procedures, one of the oldest being the method of paired comparisons. This method remains quite popular in areas such as psychophysics and consumer psychology. For a good overview of the method of paire...

2014
Mamoona Mushtaq Najma Najam

Psychological distress is the combine effect of depression, anxiety and stress. The present study explored the variables like psychological distress (depression, anxiety, stress) and components of anger as predictors of hypertension development. Total sample of 360 participants, outdoor hypertensive patients N = 216 between ages 3060, and their age matched healthy control group N= 144, was take...

2012
Neha Mahajan Jasdeep Kaur

The purpose of study was to understand the relationship between locus of control o f college teachers and their job satisfaction. A sample of 150 teachers was selected from the d ifferent colleges of Amritsar city in Punjab, India. The tools used were locus of control scale and job satisfaction scale. The different statistical techniques like Pearson’s product moment coefficient of correlat ion...

2014
T. Basso J. Klaksvik O. A. Foss

OBJECTIVE In ex vivo hip fracture studies femoral pairs are split to create two comparable test groups. When more than two groups are required, or if paired femurs cannot be obtained, group allocation according to bone mineral density (BMD) is sometimes performed. In this statistical experiment we explore how this affects experimental results and sample size considerations. METHODS In a hip f...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید