fertility — fertility, fertility rate The actual level of childbearing of an individual or population. There are different ways of measuring the fertility of a population. The simplest measure, the crude birth rate , relates the number of live births in a… … Dictionary of sociology
cohort — cohort, cohort analysis The term cohort originally referred to a Roman military unit, but it is now used to identify any group of people with a time specific common experience, such as graduating from school in the same year, or cohorts defined… … Dictionary of sociology
cohort analysis — cohort, cohort analysis The term cohort originally referred to a Roman military unit, but it is now used to identify any group of people with a time specific common experience, such as graduating from school in the same year, or cohorts defined… … Dictionary of sociology
Fertility — is the natural capability of giving life. As a measure, Fertility Rate is the number of children born per couple, person or population. This is different from fecundity, which is defined as the potential for reproduction (influenced by gamete… … Wikipedia
Cohort (statistics) — For other senses of this word, see cohort (disambiguation). In statistics and demography, a cohort is a group of subjects who have shared a particular time together during a particular time span[1] (e.g., people born in Europe between 1918 and… … Wikipedia
cohort analysis — ▪ demography method used in studies to describe an aggregate of individuals having in common a significant event in their life histories, such as year of birth (birth cohort) or year of marriage (marriage cohort). The concept of cohort is… … Universalium
cohort rates — See fertility … Dictionary of sociology
Total fertility rate — Not to be confused with birth rate. A world map showing countries by fertility rate, 2005 2010 … Wikipedia
Demographics of the United States — As of today s date, the United States has a total resident population of 312,615,000, making it the third most populous country in the world. It is a very urbanized population, with 82% residing in cities and suburbs as of 2008 (the worldwide… … Wikipedia
Breastfeeding — Suckling and nursing are synonyms. For other uses, see Nursing (disambiguation) and Suckling (disambiguation) An infant breastfeeding … Wikipedia
Causes of schizophrenia — Schizophrenia is a psychiatric diagnosis that describes a mental disorder characterized by impairments in the perception or expression of reality and by significant social or occupational dysfunction. A person experiencing schizophrenia is… … Wikipedia