نتایج جستجو برای: nonparametric

تعداد نتایج: 18491  

Journal: :Health reports 1996
D Ford F Nault

From 1974 to 1994, the number of children Canadian women are likely to have during their lifetime decreased. This downturn in fertility meant that the annual number of live births rose only slightly during this period, even though it marked the prime childbearing years for the baby-boom generation. As they pursued higher education and employment in the paid workforce, women have postponed child...

Journal: :Anais da Academia Brasileira de Ciencias 2012
Fábio M Breunig Lênio S Galvão Antônio R Formaggio José C N Epiphanio

Directional effects introduce a variability in reflectance and vegetation index determination, especially when large field-of-view sensors are used (e.g., Moderate Resolution Imaging Spectroradiometer - MODIS). In this study, we evaluated directional effects on MODIS reflectance and four vegetation indices (Normalized Difference Vegetation Index - NDVI; Enhanced Vegetation Index - EVI; Normaliz...

Journal: :Health reports 2004
Eric Caron Malenfant

OBJECTIVES This article compares suicide in the immigrant and Canadian-born populations. DATA SOURCES The suicide data are from the Canadian Vital Statistics Data Base and the World Health Statistics Annual of the World Health Organization. The socio-demographic information used to determine denominators for suicide rates in Canada comes from the Census of Population. ANALYTICAL TECHNIQUES ...

Journal: :The journals of gerontology. Series B, Psychological sciences and social sciences 2012
Susan L Brown I-Fen Lin

PURPOSE Our study documents how the divorce rate among persons aged 50 and older has changed between 1990 and 2010 and identifies the sociodemographic correlates of divorce among today's middle-aged and older adults. DESIGN AND METHOD We used data from the 1990 U.S. Vital Statistics Report and the 2010 American Community Survey (ACS) to examine the change in the divorce rate over time. ACS da...

Journal: :Demography 2012
Kara Joyner H Elizabeth Peters Kathryn Hynes Asia Sikora Jamie Rubenstein Taber Michael S Rendall

Researchers continue to question fathers' willingness to report their biological children in surveys and the ability of surveys to adequately represent fathers. To address these concerns, this study evaluates the quality of men's fertility data in the 1979 and 1997 cohorts of the National Longitudinal Survey of Youth (NLSY79 and NLSY97) and in the 2002 National Survey of Family Growth (NSFG). C...

2016
Mahdi Salehi

The main objective of the study is at fi rst identifying the expectation gap about audit responsibility and the second quantifying the expectation gap in Iran. In order to collecting data, a questionnaire designed and developed between auditors and investors. Collected data analyzed by employing non-parametric statistics test. The results show that there is expectation gap between auditors and ...

2015
Charles Stoecker Nicholas J. Sanders Alan Barreca

Using county-level Vital Statistics of the United States data from 1974-2009, we employ a differencesin-differences framework comparing influenza mortality rates in Super Bowl-participating counties to non-participants. Having a local team in the Super Bowl causes an 18% increase in influenza deaths for the population over age 65, with evidence suggesting one mechanism is increased local social...

Journal: :The International journal of social psychiatry 2014
Elisabeth Argentzell Christel Leufstadius Mona Eklund

BACKGROUND Engaging in social interaction has, for people with psychiatric disabilities, been shown to enhance well-being and the experience of meaning and to generally prevent the worsening of mental illness. AIM The aim of the study was to investigate how day centre attendees differed from non-attendees regarding different aspects of social interaction and to investigate how occupational fa...

2014
Edward A S Duncan Keith Colver Nadine Dougall Kevin Swingler John Stephenson Purva Abhyankar

BACKGROUND Major short-notice or sudden impact incidents, which result in a large number of casualties, are rare events. However health services must be prepared to respond to such events appropriately. In the United Kingdom (UK), a mass casualties incident is when the normal response of several National Health Service organizations to a major incident, has to be supported with extraordinary me...

Journal: :Family practice 1996
G Barter M Cormack

BACKGROUND Although a decrease in new prescribing has occurred for anxiolytic benzodiazepines, concerns have been raised that a 'core' of long-term users has been left behind. Typically, elderly people represent this 'core', using the benzodiazepines as hypnotics. OBJECTIVE The present study focuses on the reasons why hypnotic benzodiazepines are used for protracted lengths of time. By examin...

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