@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/quasi-experiment>
  skos:definition "Quasi-experiments manipulate presumed causes to discover their effects, but the researcher does not assign units to conditions randomly. Quasi-experiments are necessary because it is not always possible to randomize. [Source: <a href=\"https://sk.sagepub.com/reference/socialscience/n790.xml\" target=\"_blank\" data-id=\"to-sk\">The SAGE Encyclopedia of Social Science Research Methods; Quasi-Experiment</a>]"@en ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/ethical_constraints> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/research_design> ;
  skos:prefLabel "quasi-experiment"@en ;
  a skos:Concept .

<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/quasi-experiment> .

<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/quasi-experiment> .

<https://concepts.sagepub.com/social-science/concept/ethical_constraints>
  skos:prefLabel "ethical constraints"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/quasi-experiment> .