cohort
Let an agent explain cohorts as a demographic and research concept, relay cohort studies and analysis from epidemiological and demographic sources, describe generational and educational cohorts, and distinguish cohorts from samples, generations in the loose sense and the Roman military unit.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
Researched by: Claude
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Understand What a cohort is.
Definition
Definition.
Definition
Definition.
- What is a cohort, and how does it differ from a sample, a generation and a Roman cohort? definition
- Is the question about a demographic cohort, a research cohort or the military unit? boundary
Kinds
Kinds.
Kinds
Kinds.
- What are birth, clinical, educational and cultural cohorts, and what is case mix? definition
- Which entry fits the specific kind? action
Research Cohort studies.
Design
Study design.
Design
Design.
- How are prospective and retrospective cohort studies designed and analysed? provenance
- Which references are standard? provenance
Examples
Examples.
Examples
Examples.
- What are landmark cohort studies such as Framingham and the British birth cohorts? provenance
- Which sources are cited? provenance
Analyse Analysis.
Effects
Age, period and cohort effects.
Effects
Effects.
- How are age, period and cohort effects separated in demography? provenance
- Which entry fits age-period-cohort analysis? action
Analytics
Cohort analytics.
Analytics
Analytics.
- How is cohort analysis used in business and education analytics? provenance
- Which entry fits cohort analysis? action
Context Generations and history.
Generations
Cultural generations.
Generations
Generations.
- How are cultural generations defined, and what critiques exist, with positions attributed? provenance
- Which entry fits generation? action
History
History of the term.
History
History.
- How did the term move from the Roman military to demography? provenance
- Which entry fits cohort (military unit)? action
Classifiers Filled
- Family
- Thing Registry
- Category
- Society, people and institutions
- Entry kind
- thing
- Plane
- SOC
- Domain
- SOC.ORG
- Other names and narrower kinds
- birth cohort, special needs, clinical cohort, cultural generation, Case mix, Start Right International Basic School, Gombe, exceptional child
What it is Filled
A group of people who share a defining characteristic, typically an event experienced in the same period, such as a birth cohort born in the same years, a clinical cohort of patients followed in a study, a school or graduation cohort, or a cultural generation, used in demography, epidemiology and social science to follow outcomes over time; the term also names a Roman military unit and, in statistics and health services, related groupings such as case mix.
Why it exists Filled
Let an agent explain cohorts as a demographic and research concept, relay cohort studies and analysis from epidemiological and demographic sources, describe generational and educational cohorts, and distinguish cohorts from samples, generations in the loose sense and the Roman military unit.
Distinguishing features Filled
- Shared defining event
- Followed over time
- Demographic unit
- Research design
What robots and AI may and may not do Filled
Must not
- Re-identify people in cohort study data.
- Use cohort data for purposes beyond the participants' consent.
- Stereotype people by birth cohort or generation labels.
- Confuse this sense with the Roman military cohort.
Only with a human decision
- Linking cohort data with other sources about the same people.
May
- Define and describe cohorts for research or reporting with stated criteria.
- Analyze cohort data the agent has been authorized to use.
Moral aspects Filled
- Cohort studies depend on participants' trust and consent.
- Generation labels are often used to blame or stereotype groups.
Who is affected
- Study participants
- Members of generations or classes
Owners Filled
Steward
The research team or institution that holds the cohort data, under ethics approval.
Links to other meta-models Filled
parent
- Q123421186 - registry parent class
related
- demographic category - in registry terms
- cohort study - in epidemiology
- generation - as cultural cohorts
- cohort (military unit) - a homonym
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.cohort-q1303415
- Wikidata: Q1303415 (https://www.wikidata.org/wiki/Q1303415)
Direct properties not applicable Not applicable
- Roman cohort: about 480 soldiers - one tenth of a legion
- classic cohort study: Framingham Heart Study example - since 1948
Plane SOC: no invented physical properties.
Recognition optional Filled
- Group sharing a defining event or period
- Birth cohorts, clinical cohorts, school cohorts, cultural generations, case mix groupings
- A sample is drawn for measurement; a generation in the loose sense is a family step; the Roman cohort is a military unit
- Not a visible object; a defined group of people.
Capabilities and actions required Filled
- explain the concept
- relay cohort studies
- describe kinds of cohorts
- distinguish related terms
Hazards and failure modes required Filled
- Confusing cohort with sample or generation
- Cohort effects mistaken for age or period effects
- Registry aliases such as special needs and a school name that do not fit the concept
Standards and interfaces required Filled
- Research ethics and data protection rules for cohort studies
- Statistical standards for cohort analysis
Context of use required Filled
- Not applicable; a demographic concept.
- birth cohorts
- clinical and research cohorts
- educational cohorts such as year groups
- cultural generations such as baby boomers
- workforce and customer cohorts in analytics
- Roman military cohorts as a homonym
Sources Filled
- Wikidata item Q1303415: cohort - identity and sense of the item
- Wikipedia: Cohort (statistics) - general description of the item
Open questions
- Should cohort study and birth cohort be separate primary entries?
- How should epidemiological sources be linked?
- The registry alias list includes special needs and a specific school, which appear misfiled; should they be reviewed?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q1303415/spec.json