Carl Rogers' article (see record 2007-14639-002) on the necessary and sufficient conditions for personality change has had a significant impact on the field of psychotherapy and psychotherapy research. He emphasized the client as arbiter of his or her own subjective experience and tested his hypothesized therapist-offered conditions of change using recorded sessions. This aided in demystifying ...

The primary aim of this study was to conduct a bivariate genetic analysis investigating the extent to which genetic and environmental factors contribute to stability and change in personality factors in the period from adolescence to young adulthood on a sample of Croatian twins. The sample used in this research was formed in 1992 based on a register of citizens of Zagreb and data was collected...

Personality (Big Five and self-esteem) effects on social relationship quality (perceived support and conflict) and vice versa were longitudinally studied during emerging adulthood. Rank-order stability correlations of personality and social relationship quality were investigated. Subsequently, the mechanisms that may underlie personality development across emerging adulthood were examined. Resu...