نتایج جستجو برای: economic survey in year 2003 usinglogit
تعداد نتایج: 17152537 فیلتر نتایج به سال:
The number of transgenic cotton cultivars available for commercial production has increased greatly in recent years. Cotton producers now have multiple choices when choosing transgenic cotton cultivars. The choice of cultivar now dictates the insect and weed control programs that will or can be used. It is estimated that, in 2003, at least 77% of Arkansas’ cotton acreage was planted to a stacke...
BACKGROUND A 1995 Australian national survey of mental health literacy showed poor recognition of disorders and beliefs about treatment that differed from those of health professionals. A similar survey carried out in 2003/4 showed some improvements over 8 years. AIMS To investigate whether recognition of mental disorders and beliefs about treatment have changed over a 16-year period. METHO...
plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...
estimation of optimum fertilizer rates is needed because of growing economic and environmental concerns. optimum fertilizer rates can be determined by fitting statistical models to yield data collected from n fertilizer experiments. the main goal of this research was to compare and evaluate quadratic, square root, mitscherlich, rectangular hyperbola, linear plus plateau and quadratic plus plate...
BACKGROUND Income is predictive of many health outcomes and is therefore an important potential confounder to control for in studies. However it is often missing or poorly measured in epidemiological studies because of its complexity and sensitivity. This paper presents and validates an alternative approach to the survey collection of reported income through the estimation of a synthetic wage m...
abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...
Introduction. The inappropriate increase in the number of general physicians in Iran is one of the critical and problematic issues of our society which leads to a big concern for medical students regarding their field of study and future career. This research aims to determine the attitude of medical students towards their own future career and field of study in Isfahan University of Medical Sc...
in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...
This policy brief presents 10-year trends in several key health and wellness indicators for children ages 0-5 in California. These indicators are health insurance coverage; source of medical care; dental visits; overweight-for-age; parents singing and reading to their child and going out with the child; and preschool attendance. The data are from the California Health Interview Survey (CHIS), t...
OBJECTIVE To evaluate the effects of the 1977 and 1995 tobacco sales bans on tobacco acquisition of minors. DESIGN Biennial nationwide postal surveys (adolescent health and lifestyle survey, AHLS) in 1977-2003; annual classroom surveys (school health promotion survey, SHPS) in 1996-2003. SETTING AND PARTICIPANTS Entire Finland-12, 14, 16, and 18 year olds (AHLS, n = 80 282); eighth and nint...
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