نتایج جستجو برای: control study

تعداد نتایج: 4825609  

2014
Zahra Taheri Maryam Amidi Mazaheri Mahbubeh Khorsandi Akbar Hassanzadeh Masoud Amiri

BACKGROUND Nowadays, there has been a growing trend of caesarean sections in Iran. One reason would be the mother's desire. Increased maternal self-efficacy can be an important step to reduce percentage of cesarean. This study aimed to determine the effectiveness of training-based strategies to increase the self-efficacy for choosing delivery method among pregnant women in Shahrekord city. ME...

2016
Kyung Hee Chun Euna Park

OBJECTIVES The purpose of this study is to identify the types of perception of emotional intelligence among nursing and medical students and their characteristics using Q methodology, and to build the basic data for the development of a program for the would-be medical professionals to effectively adapt to various clinical settings in which their emotions are involved. METHODS Data were colle...

2004
Zhong Guan Baolin Wu Hongyu Zhao

False Discovery Rate (FDR) has become commonly used in multiple comparisons, in part driven by studies involving large numbers of parameters, e.g. microarray data analysis. FDR is a philosophically different approach from traditional hypothesis testing, and it offers a conceptually consistent framework for multiple hypothesis testing when the primary objective focuses on discovery instead of te...

Journal: :The New England journal of medicine 1981
B C Tanis

The relation of oral contraceptive use to the risk of myocardial infarction was assessed in a hospital-based case-control study of women aged 25-64 years conducted from 1985 to 1988 in New England; 910 women with first myocardial infarctions were compared with 1,760 control women. Oral contraceptive use, after discontinuation, was not associated with an increased risk of myocardial infarction, ...

2014
Wenge Guo Joseph P. Romano

In this paper, the problem of error control of stepwise multiple testing procedures is considered. For two-sided hypotheses, control of both type 1 and type 3 (or directional) errors is required, and thus mixed directional familywise error rate control and mixed directional false discovery rate control are each considered by incorporating both types of errors in the error rate. Mixed directiona...

2011
Collette R Lessard Matthew R Hopkins

The Essure™ system for permanent contraception was developed as a less invasive method of female sterilization. Placement of the Essure™ coil involves a hysteroscopic transcervical technique. This procedure can be done in a variety of settings and with a range of anesthetic options. More than eight years have passed since the US Food and Drug Administration approval of Essure™. Much research ha...

Journal: :Bioinformatics 2012
Christian Fuchsberger Daniel Taliun Peter P. Pramstaller Cristian Pattaro

SUMMARY The GWAtoolbox is an R package that standardizes and accelerates the handling of data from genome-wide association studies (GWAS), particularly in the context of large-scale GWAS meta-analyses. A key feature of GWAtoolbox is its ability to perform quality control (QC) of any number of files in a matter of minutes. The implemented workflow has been structured to check three particular da...

Journal: :Journal of the Royal Society of Medicine 2013
Howard Mann Benjamin Djulbegovic

Researchers may believe – and patients and physicians may hope – that a particular treatment (perhaps because it is new) is better than other available treatments; but it may often turn out to be worse. When the British Medical Research Council’s controlled trial of streptomycin for pulmonary tuberculosis was conceived in 1946, none of the therapies used to treat the disease had been shown in c...

2009

Ray-pointing techniques are often advocated as a way for people to interact with very large displays from several meters away. We are interested in two factors that can affect ray pointing: the particular technique's control type, and parallax. Consequently, we tested four ray pointing variants on a wall display that covers a large part of the user's field of view. Tasks included horizontal and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران 1381

‏‎the purpose of the present study was to investigate the latent pattern underlying reading ability . some 272 male and female participants. english majors at the ba level , participated in the study. two valid tests were used in this study, the reading test developed exclusively for the purpose of this project and academic reading section of ielts. to investigate the possible latent underlying...

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