@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

n9j:-TQPXDND8-2
  skos:prefLabel "surveys"@en ;
  a skos:Concept ;
  skos:narrower n9j:-S57DQTL2-T .

n9j:-JZVCPS4J-1
  skos:prefLabel "causation"@en ;
  a skos:Concept ;
  skos:narrower n9j:-S57DQTL2-T .

n9j: a skos:ConceptScheme .
n9j:-S57DQTL2-T
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/variables_(research)> ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-QRTLX5X2-W, n9j:-TQPXDND8-2, n9j:-JZVCPS4J-1, n9j:-DPB2RLTP-X ;
  skos:prefLabel "variables (research)"@en .

n9j:-QRTLX5X2-W
  skos:prefLabel "measurement"@en ;
  a skos:Concept ;
  skos:narrower n9j:-S57DQTL2-T .

n9j:-DPB2RLTP-X
  skos:prefLabel "case studies"@en ;
  a skos:Concept ;
  skos:narrower n9j:-S57DQTL2-T .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-S57DQTL2-T .