ABSTRACT
Despite the ontogenetic emphases of pioneers such as Allport (1937), until recently personality theorists and researchers regularly went about their work without concern for its developmental implications. Similarly, behavioral genetics of personality was also typically studied in isolation from the field of personality development. These tides have slowly turned. The pages of mainstream personality journals now reveal attention to developmental issues, and developmental journals incorporate individual differences approaches to personality development. Also, behavioral geneticists have extended their investigations to young family members and consequently confronted issues about genetic influences on personality continuity and discontinuity. To help lay a better foundation for this interdisciplinary research, we offer family data on the relation of parental personality to childhood temperament. Because few genetic analyses have focused on the five-factor model directly, we first provide twin data on parents for the five-factor model.
