About: http://webisa.webdatacommons.org/211437440

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	This is mainly due to the fact that you can not have a true experiment, where all variables except for one (here it would be exposure to various kinds of media) are identical between test groups.
http://www.w3.org/ns/prov#wasQuotedFrom	gamepolitics.com