@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix wikibase: <http://wikiba.se/ontology#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix schema: <http://schema.org/> .
@prefix cc: <http://creativecommons.org/ns#> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix wd: <https://graphit.ur.de/entity/> .
@prefix data: <https://graphit.ur.de/wiki/Special:EntityData/> .
@prefix s: <https://graphit.ur.de/entity/statement/> .
@prefix ref: <https://graphit.ur.de/reference/> .
@prefix v: <https://graphit.ur.de/value/> .
@prefix wdt: <https://graphit.ur.de/prop/direct/> .
@prefix wdtn: <https://graphit.ur.de/prop/direct-normalized/> .
@prefix p: <https://graphit.ur.de/prop/> .
@prefix ps: <https://graphit.ur.de/prop/statement/> .
@prefix psv: <https://graphit.ur.de/prop/statement/value/> .
@prefix psn: <https://graphit.ur.de/prop/statement/value-normalized/> .
@prefix pq: <https://graphit.ur.de/prop/qualifier/> .
@prefix pqv: <https://graphit.ur.de/prop/qualifier/value/> .
@prefix pqn: <https://graphit.ur.de/prop/qualifier/value-normalized/> .
@prefix pr: <https://graphit.ur.de/prop/reference/> .
@prefix prv: <https://graphit.ur.de/prop/reference/value/> .
@prefix prn: <https://graphit.ur.de/prop/reference/value-normalized/> .
@prefix wdno: <https://graphit.ur.de/prop/novalue/> .

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	schema:softwareVersion "1.0.0" ;
	schema:version "29146"^^xsd:integer ;
	schema:dateModified "2026-07-07T14:38:17Z"^^xsd:dateTime ;
	wikibase:statements "9"^^xsd:integer ;
	wikibase:sitelinks "0"^^xsd:integer ;
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wd:Q3580 rdfs:label "Empirical research methods"@en ;
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	rdfs:label "Empirische Forschungsmethoden"@de ;
	skos:prefLabel "Empirische Forschungsmethoden"@de ;
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	schema:name "Category"@en ;
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p:P3 a owl:ObjectProperty .

psv:P3 a owl:ObjectProperty .

pqv:P3 a owl:ObjectProperty .

prv:P3 a owl:ObjectProperty .

wdt:P3 a owl:ObjectProperty .

ps:P3 a owl:ObjectProperty .

pq:P3 a owl:ObjectProperty .

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	schema:name "Variables in empirical research"@en .

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	schema:name "includes"@en ;
	schema:description "denotes that a course or curriculum includes a certain concept"@en ;
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psv:P14 a owl:ObjectProperty .

pqv:P14 a owl:ObjectProperty .

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wdt:P14 a owl:ObjectProperty .

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wd:Q3459 a wikibase:Item ;
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wd:Q3460 a wikibase:Item ;
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wd:Q3461 a wikibase:Item ;
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	skos:prefLabel "Internal and external validity"@en ;
	schema:name "Internal and external validity"@en .

wd:Q3462 a wikibase:Item ;
	rdfs:label "Within-subjects vs between-subjects design"@en ;
	skos:prefLabel "Within-subjects vs between-subjects design"@en ;
	schema:name "Within-subjects vs between-subjects design"@en .

wd:Q3463 a wikibase:Item ;
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	skos:prefLabel "Reliability of empirical studies"@en ;
	schema:name "Reliability of empirical studies"@en .