@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:-SJP6K6BP-Q
  skos:prefLabel "foundations: measurement theory and statistics"@en ;
  a skos:Concept ;
  skos:narrower n9j:-N0PGRVX7-2 .

n9j:-N0PGRVX7-2
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/differential_item_functioning> ;
  skos:definition "Differential item functioning (DIF) is the preferred psychometric term for what is otherwise known as item bias. An item displays DIF when test takers possessing the same amount of an ability or trait, but belonging to different subgroups, do not share the same likelihood of correctly answering the item. [Source: Encyclopedia of Industrial and Organizational Psychology; Differential Item Functioning]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-SJP6K6BP-Q ;
  skos:prefLabel "differential item functioning"@en .

n9j:-methods
  a isothes:ConceptGroup ;
  skos:prefLabel "methods"@en ;
  skos:member n9j:-N0PGRVX7-2 .

n9j: a skos:ConceptScheme .