نتایج جستجو برای: demographic agent
تعداد نتایج: 360045 فیلتر نتایج به سال:
Premarital fertility, defined as birth before first marriage, is investigated in Madagascar, using two Demographic and Health Surveys (DHS) conducted in 1992 and 1997. About 8 per cent of all births and 23 per cent of first births take place before marriage, despite a low underlying mean age at first marriage, estimated to be 18.6 years in the absence of a previous birth. A premarital first bir...
Surveys conducted in the context of the Demographic and Health Surveys (DHS) programme are an important source of data on health of families in developing countries. Both at the national and international level, DHS surveys provide much-needed data on fertility and family planning, on mortality and nutrition, and on health services utilization. The use of uniform survey instruments allows detai...
Turkey has been experiencing significant fertility decline since the 1950s. Increasing mean ages at childbearing have accompanied this decline, thus studies regarding tempo effects are necessary for Turkey. The main aim of this study is to reveal the tempo distortions in recent period fertility in Turkey as a whole and for different sub-groups by using an adjustment procedure. A procedure by Bo...
In Nigeria, decades of protracted military rule deepened poverty and created a situation in which many children are undernourished. According to the last National Demographic and Health Survey (NDHS, 2003), 29% of Nigerian children under five years are considered underweight. Today Nigeria is among the ten countries in the world with the largest number of underweight children, with an estimated...
This paper considers the relation between organizational demography and organizational learning. It focuses on communication and consciousness as the knowledge creating process of organizations and individuals, respectively. Demography relates to communication structures in that these become inert with increasing tenure of participants; likewise, individuals adopt a specific communication style...
In the course of demographic transitions (DTs), two large-scale trends become apparent: (i) the broadly positive association between wealth, status and fertility tends to reverse, and (ii) wealth inequalities increase and then temporarily decrease. We argue that these two broad patterns are linked, through a diversification of reproductive strategies that subsequently converge as populations co...
This is an introduction to a special issue on aspects of demographic aging in Asia. It provides "an overview of the issues related to the rapid increase in the number of elderly in some Asian countries. It describes how the articles contained in this special issue...demonstrate that the familial system of support for the elderly has persisted despite major social and economic change. It also...
این پایان نامه به بررسی نقش مثبت یا منفی احساسات روی کارایی عامل های یادگیرنده در یک محیط multi-agent می پردازد. در این راستا مدلی برای عامل های یادگیرنده دارای احساس معرفی می شود. برای بررسی نقش احساسات، یک محیط فرضی multi-agent شبیه سازی شده و حالت های گوناگونی در آن نظر گرفته می شوند. در حالت نخست، کارایی عامل هایی بررسی می شود که دارای احساس نیستند و فقط قابلیت یادگیری دارند. در دومین حالت...
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...
BACKGROUND Of global concern is the decline in under five children mortality which has reversed in some countries in sub Saharan Africa (SSA) since the early 1990 s which could be due to disparities in access to preventive services including immunization. This paper is aimed at determining the trend in disparities in completion of immunization using Tanzania Demographic and Health Surveys (DHS)...
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