@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/control_variable>
  skos:definition "An extraneous variable that you do not wish to examine in your study; hence you ∗control for it. Also called ∗covariate. [Source: <a href=\"https://methods.sagepub.com/reference/dictionary-of-statistics-methodology/n402.xml\" target=\"_blank\" data-id=\"to-srm\">Dictionary of Statistics &amp; Methodology; Control Variable</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/statistics_and_research_methods> ;
  skos:prefLabel "control variable"@en ;
  a skos:Concept .

<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/control_variable> .

<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/control_variable> .