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<http://webisa.webdatacommons.org/440742778>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<du.edu> .
<http://webisa.webdatacommons.org/440742778>	<http://www.w3.org/ns/prov#value>	"The phenomena are social or psychological in the social sciences, and the measures come through instruments such as surveys." .
<http://webisa.webdatacommons.org/prov/17633435>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/440742778> .