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The term cohort effect is used in social science to describe variations in the characteristics of an area of study (such as the incidence of a characteristic or the age at onset) over time among individuals who are defined by some shared temporal experience or common life experience, such as year of birth, or year of exposure to radiation.[1][2]
Cohort effects are important to epidemiologists searching for patterns in illnesses. Certain illnesses may be socially affected via the anticipation phenomenon, and cohort effects can be an indicator of this sort of phenomenon.
Cohort effects are important to resource dependency, and economics theorists when these groups affect structures of influence within their larger organizations. Cohorts in organizations are often defined by entry or birth date, and they retain some common characteristic (size, cohesiveness, competition) that can affect the organization. For example, cohort effects are critical issues in school enrollment.
In order to determine whether a cohort effect is present, a researcher may conduct a cohort study.
^Atingdui, Norissa (2011), "Cohort Effect", in Goldstein, Sam; Naglieri, Jack A. (eds.), Encyclopedia of Child Behavior and Development, Boston, MA: Springer US, p. 389, doi:10.1007/978-0-387-79061-9_617, ISBN 978-0-387-79061-9, retrieved 2023-07-27
^Ryder, Norman B. (1965). "The Cohort as a Concept in the Study of Social Change". American Sociological Review. 30 (6): 843–861. doi:10.2307/2090964. ISSN 0003-1224. JSTOR 2090964. PMID 5846306.
The term cohorteffect is used in social science to describe variations in the characteristics of an area of study (such as the incidence of a characteristic...
A cohort study is a particular form of longitudinal study that samples a cohort (a group of people who share a defining characteristic, typically those...
called a cohorteffect. There may be a cohorteffect for newspaper readership: younger cohorts appear to read fewer newspapers than older cohort groups...
A prospective cohort study is a longitudinal cohort study that follows over time a group of similar individuals (cohorts) who differ with respect to certain...
the result of cultural differences across generations, that is, the cohorteffect. Longitudinal studies thus make observing changes more accurate and...
Generation X (often shortened to Gen X) is the demographic cohort following the Baby Boomers and preceding Millennials. Researchers and popular media often...
in the double cohort year. In June 2007, a cascade double-cohorteffect occurred at universities and the job market, as double cohort students who were...
study: Participants are studied at multiple time points. May address the cohorteffect and help to indicate causal directions of effects. Cross-sequential...
this phenomenon is related to the Flynn effect and is in part a cohorteffect rather than a true aging effect. A variety of studies of IQ and aging have...
2002 and 2016 and the age period effect decreased in all observed years. The IE coefficients validating a cohorteffect went from negative to positive in...
In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of...
country involved. While there appears to be rather little evidence on cohorteffect upon IQ across the developing countries, one study in Kenya (Daley,...
The Flynn effect is the substantial and long-sustained increase in both fluid and crystallized intelligence test scores that were measured in many parts...
of that belief being consistent during adulthood are very likely. Cohorteffect Groupthink Public opinion Political culture Political cognition Solodnikova...
(also known as Zennials) is the demographic cohort on the cusp of the Millennial and Generation Z cohorts. Their adjacency between the two generations...
"country of birth and childhood socialization, generation, and even cohorteffect are important variables in understanding the behavior and attitudes...
To isolate the effect of abortion on crime, it is necessary to control for other factors that affect birth cohorts (e.g., relative cohort size or the prevalence...
Mass Effect 2 is an action role-playing video game developed by BioWare and published by Microsoft Game Studios and Electronic Arts for Windows and Xbox...
birthday effect, although it did find a related Christmas effect. A small study by Leonard Zusne found birthday effects among both male and female cohorts, where...
Urban areas usually experience the urban heat island (UHI) effect, that is, they are significantly warmer than surrounding rural areas. The temperature...
the beginning of the cohort study; this usually means that they should be disease free when the cohort study starts. The cohort is followed through time...
chemotherapy for stage III colon cancer had no effect on the outcomes of treatment. A very large prospective cohort study published in 2011, including more than...
to nearby Bangor. As the original authors had predicted, as the Roseto cohort shed their Italian social structure and became more Americanized in the...
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