Brown, Murray2012-03-132012-03-1319751975Source: Dissertation Abstracts International, Volume: 72-04, Section: B, page: .http://hdl.handle.net/10393/21062http://dx.doi.org/10.20381/ruor-8781Abstract not available.137 p.Psychology, Behavioral.Psychology, Developmental.Need for approval and the effects of normative and competitive incentives on childrenThesis