<http://webisa.webdatacommons.org/228185641>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wordpress.com> .
<http://webisa.webdatacommons.org/228185641>	<http://www.w3.org/ns/prov#value>	"In such a research scheme, factors such as intelligence, motivation, mother-tongue interference and socio-economic standing are defined as the independent variables and language proficiency is defined as the dependent variable." .
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<http://webisa.webdatacommons.org/prov/81495152>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/228185641> .