About: http://webisa.webdatacommons.org/82599479

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	Focus on studies comparing programs to control groups, with random assignment to conditions or matching on pretests or other variables that indicate that experimental and control groups were equivalent before the treatments began.
http://www.w3.org/ns/prov#wasQuotedFrom	bestevidence.org