About: http://webisa.webdatacommons.org/301801837

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	Take controls for example as you mention, without testing you wouldn???t *need* an alternate hypothesis, every effect would be ???true???.
http://www.w3.org/ns/prov#wasQuotedFrom	occamstypewriter.org