@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/community_trial>
  skos:definition "Community trials, also called community intervention studies, are (mostly preventive) experimental studies with whole communities (such as cities or states) as experimental units; that is, interventions are assigned to all members in each of a number of communities. These are to be distinguished from field trials where interventions are assigned to healthy individuals in a community and from clinical trials in which interventions are assigned to patients in a clinical setting. [Source: <a href=\"https://methods.sagepub.com/reference/encyc-of-epidemiology/n84.xml\" target=\"_blank\" data-id=\"to-srm\">Encyclopedia of Epidemiology; Community Trial</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/statistics_and_research_methods>, <https://concepts.sagepub.com/social-science/concept/social_science_perspectives_on_epidemiology>, <https://concepts.sagepub.com/social-science/concept/medical_care_and_research>, <https://concepts.sagepub.com/social-science/concept/epidemiological_concepts> ;
  skos:prefLabel "community trial"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/statistics_and_research_methods>
  skos:prefLabel "statistics and research methods"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/community_trial> .

<https://concepts.sagepub.com/social-science/concept/social_science_perspectives_on_epidemiology>
  skos:prefLabel "social science perspectives on epidemiology"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/community_trial> .

<https://concepts.sagepub.com/social-science/concept/epidemiological_concepts>
  skos:prefLabel "epidemiological concepts"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/community_trial> .

<https://concepts.sagepub.com/social-science/concept/medical_care_and_research>
  skos:prefLabel "medical care and research"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/community_trial> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/methods>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "methods"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/community_trial> .