نتایج جستجو برای: survey method for data collection using cluster sampling
تعداد نتایج: 12146237 فیلتر نتایج به سال:
hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...
Oak decline as one of the most important environmental problems of Zagros forests, requires proper management to decrease trees dieback and mitigate its effects. This study aimed to find the best sampling method for estimating density and crown canopy of declined oak trees in Zagros Forests. All declined trees in an area of 100 ha of Dinarkooh protected forest were surveyed and trees density, g...
Objective: Informing and demonstrating the harmful and negative consequences of narcotics is an effective way to reduce this problem. Today, the education and prevention of addiction have become easier due to the development of mass communication technologies and their effectiveness. Media is a suitable tool for education, awareness raising, and public participation in preventing addiction. Ove...
reinsurance is widely recognized as an important instrument in the capital management of an insurance company as well as its risk management tool. this thesis is intended to determine premium rates for different types of reinsurance policies. also, given the fact that the reinsurance coverage of every company depends upon its reserves, so different types of reserves and the method of their calc...
BACKGROUND Asthma is a significant public health problem in the Caribbean. Prevalence surveys using standardized measures of asthma provide valid prevalence estimates to facilitate regional and international comparisons and monitoring of trends. This paper describes methods used in the Jamaica Asthma and Allergies National Prevalence Survey, challenges associated with this survey and strategies...
this study investigated the effects of three kinds of gloss conditions, that is traditional non-call marginal gloss, audio gloss, and extended audio gloss, on reading comprehension and vocabulary gain of iranian upper- intermediate efl learners. to this end, three experimental and one control groups, each comprising 15 participants, took part in the current study. in order to ensure that the pa...
Purpose of this study was to investigate the sustainability of domestic gas consumption and identify the social factors that affect it. Three questions were asked in this study. 1) How stable is the gas consumption practice at home? 2) What are the elements that affect gas consumption as a sustainable practice?3) What solutions can be offered to increase gas consumption sustainability? After re...
Abstract Background & Aims: Obstructive sleep apnea is one of the most common sleep disorders and is a chronic disease with high prevalence in elders. The present study aimed to investigate frequency of obstructive sleep apnea and its related factors in elderly. Material & Methods: This cross sectional study was conducted on 175 elderly lived in personal homes that were selected using clu...
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