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is ?:citation of
?:contributor
?:dateModified
  • 2009 (xsd:gyear)
?:datePublished
  • 2009 (xsd:gyear)
?:doi
  • poq/nfp031 ()
?:duplicate
is ?:hasPart of
is ?:mainEntity of
?:name
  • Effects of questionnaire length on participation and indicators of response quality in a web survey (xsd:string)
?:publicationType
  • article (xsd:string)
?:sourceInfo
  • GESIS-GRIS (xsd:string)
  • In Public Opinion Quarterly, 2(73), 349-360, 2009 (xsd:string)
rdf:type