نتایج جستجو برای: survey method for data collection using cluster sampling
تعداد نتایج: 12146237 فیلتر نتایج به سال:
The conventional method to collect data on the health, nutrition, and food security status of a population affected by an emergency is a 30 x 30 cluster survey. This sampling method can be time and resource intensive and, accordingly, may not be the most appropriate one when data are needed rapidly for decision making. In this study, we compare the precision, time and cost of the 30 x 30 cluste...
abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...
monumental changes occurring on a daily basis have altered the world into a global village of expanding technology and shrinking geography in which preparing language learners for intercultural communication seems to be a sine qua non for modern language education. employing a cross-sectional design in its first phase, this study investigated the intercultural sensitivity and language proficien...
a major concern in the last few years has been the fact that the cultural centers are keeping distance with what they have been established for and instead of reproducing the hegemony, they have turned into a place for resistance and reproduction of resistance against hegemony. because the cultural centers, as urban public spaces in the last two decades, have been the subject of ideological dis...
in the last two decades, digital divide, defined as the gap between the people who can access pcs and internet and those who cannot, has been proposed as one of the biggest challenges of digital age. considering that the economic, cultural, social, and political by-products of such a gap are viewed by many scholars to be more damaging than traditional gaps, the present research strives to detec...
on- the-job training on of the most effective tools for managers to cope with the changing organizational environment. it grantess suitable services to customers, particularly in public service enterprises. if such training os goal oriented, planned systematically, and tailored to the employees, job content, then not only it could increase employees and organizational performance, but also it c...
over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...
family institution is very important among social institutions. one of the most important aspects of a marriage is the consent of the partners in the marriage experience. various factors including lifestyle, the way couples communicate with each other affect marital satisfaction. the current research aims to study the relationship between life style with marital life satisfaction among married ...
Purpose: The present study was aimed to examine the performance of social-cultural deputy of municipality in terms of the indexes of training professional citizens. Methodology: Research method was descriptive (survey) in terms of data collection method; and in terms of objective, it was practical. The statistical population consisted of all citizens (379962 people) residing in Tehran's region ...
This study examines the efficiency of EPI cluster sampling in assessing the prevalence of diarrhoea and dysentery. A computer was used to simulate fieldwork carried out by a survey taker. The bias and variance of prevalence estimates obtained using EPI cluster sampling were compared with those obtained using simple random sampling and cluster (stratified random) sampling. Efficiency ratios, cal...
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