Li, Anita K. F.Christoph, Doris2005-07-212005-07-211981NL Number: 55328http://hdl.handle.net/1880/22151Bibliography: p. 169-182.xi, 226 leaves : ill. ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.BF 724.8 C55 1983Aged - PsychologySocial psychologyProblem solvingCognitive versus social rigidity in old age: implications for therapydoctoral thesis10.11575/PRISM/14095BF 724.8 C55 1983