@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/evaluation>
  skos:prefLabel "evaluation"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .

<https://concepts.sagepub.com/social-science/concept/quality_criteria>
  skos:prefLabel "quality criteria"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .

<https://concepts.sagepub.com/social-science/concept/data_synthesis>
  skos:prefLabel "data synthesis"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .

<https://concepts.sagepub.com/social-science/concept/Cochrane_Collaboration>
  skos:prefLabel "Cochrane Collaboration"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .

<https://concepts.sagepub.com/social-science/concept/systematic_reviews>
  skos:broader <https://concepts.sagepub.com/social-science/concept/research_design>, <https://concepts.sagepub.com/social-science/concept/research_methods>, <https://concepts.sagepub.com/social-science/concept/literature_reviews>, <https://concepts.sagepub.com/social-science/concept/synthesis> ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/data_synthesis>, <https://concepts.sagepub.com/social-science/concept/missing_data>, <https://concepts.sagepub.com/social-science/concept/meta-analysis>, <https://concepts.sagepub.com/social-science/concept/evaluation>, <https://concepts.sagepub.com/social-science/concept/quality_criteria>, <https://concepts.sagepub.com/social-science/concept/Cochrane_Collaboration> ;
  a skos:Concept ;
  skos:prefLabel "systematic reviews"@en .

<https://concepts.sagepub.com/social-science/concept/meta-analysis>
  skos:prefLabel "meta-analysis"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .

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

<https://concepts.sagepub.com/social-science/concept/research_design>
  skos:prefLabel "research design"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .

<https://concepts.sagepub.com/social-science/concept/literature_reviews>
  skos:prefLabel "literature reviews"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .

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

<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/systematic_reviews> .

<https://concepts.sagepub.com/social-science/concept/missing_data>
  skos:prefLabel "missing data"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/systematic_reviews> .