About: http://webisa.webdatacommons.org/439388744

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	However, the intervention studies reported in the literature have limitations, such as small sample size, lack of control groups, and only addressing selected groups of students.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca