About: http://webisa.webdatacommons.org/401215834

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	The same statistical methods are use for analyzing both types of factors, but the justification for the use of statistical methods differs, just as for intervention trials and observational studies.
http://www.w3.org/ns/prov#wasQuotedFrom	jerrydallal.com