@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:-JS6913BS-F
  skos:broader n9j:-LFX7LL1M-3, n9j:-B5M3C333-W, n9j:-XTXBPVRQ-N ;
  skos:prefLabel "randomized control trials"@en ;
  skos:narrower n9j:-CQ9R35WC-J, n9j:-MPMKW7C1-X, n9j:-JV95TR3V-7, n9j:-N1MQ0H85-R ;
  a skos:Concept ;
  skos:definition "A process for investigating the impact of a new medical practice, but most commonly a new drug. The patients are divided into two groups, one receiving the new treatment, while the other is treated with the existing best practice. [Source: The Sage Dictionary of Health and Society; Randomized Control Trials]"@en ;
  skos:inScheme n9j: ;
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/randomized_control_trials> .

n9j:-CQ9R35WC-J
  skos:prefLabel "bias"@en ;
  a skos:Concept ;
  skos:broader n9j:-JS6913BS-F .

n9j: a skos:ConceptScheme .
n9j:-XTXBPVRQ-N
  skos:prefLabel "quantitative data collection"@en ;
  a skos:Concept ;
  skos:narrower n9j:-JS6913BS-F .

n9j:-JV95TR3V-7
  skos:prefLabel "causal effects"@en ;
  a skos:Concept ;
  skos:broader n9j:-JS6913BS-F .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-JS6913BS-F .

n9j:-LFX7LL1M-3
  skos:prefLabel "experiments"@en ;
  a skos:Concept ;
  skos:narrower n9j:-JS6913BS-F .

n9j:-MPMKW7C1-X
  skos:prefLabel "control groups"@en ;
  a skos:Concept ;
  skos:broader n9j:-JS6913BS-F .

n9j:-N1MQ0H85-R
  skos:prefLabel "Cochrane Collaboration"@en ;
  a skos:Concept ;
  skos:broader n9j:-JS6913BS-F .

n9j:-B5M3C333-W
  skos:prefLabel "research design"@en ;
  a skos:Concept ;
  skos:narrower n9j:-JS6913BS-F .