About: http://webisa.webdatacommons.org/51742484

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	These aspects imply that multiple studies of the various forms of validity are required and that validity must be evaluated within the context of the test???s intended purpose and a specific population (Portney & Watkins, 1993).
http://www.w3.org/ns/prov#wasQuotedFrom	med-tox.com