What can we learn from the longitudinal study of adult psychological development? / K. Warner Schaie -- The Iowa State study of the adult development of intellectual abilities / Walter R. Cunningham and William A. Owens, Jr. -- Aging twins : longitudinal psychometric data / Lissy F. Jarvik and Lew Bank -- The Seattle longitudinal study : a 21-year exploration of psychometric intelligence in adulthood / K. Warner Schaie -- Psychological aspects of the Duke longitudinal studies / Ilene C. Siegler -- Constancy and change of behavior in old age : findings from the Bonn longitudinal study on aging / Reinhard Schmitz-Scherzer and Hans Thomae -- Recent longitudinal research on personality and aging / Paul T. Costa, Jr., Robert R. McCrae, David Arenberg -- The AT&T longitudinal studies of managers / Douglas W. Bray and Ann Howard
