Reilly, George L2012-03-142012-03-1419681968Source: Masters Abstracts International, Volume: 49-04, page: .http://hdl.handle.net/10393/22535http://dx.doi.org/10.20381/ruor-18076Abstract not available.76 p.Psychology, Cognitive.Locus of control, ego involvement and the persistence of mental retardates in the face of monotonyThesis