This investigation examined personality development during the transition from adolescence to adulthood using the brief form of the Multidimensional Personality Questionnaire (Patrick, Curtin, & Tellegen, 2002). Parent and self-reports of personality were obtained in 1994 (average age=17.60 years), and self-reports were obtained in 2003 (average age=27.24 years). There was evidence of both differential stability and normative changes in the direction of increased functional maturity during this transition. Moreover, adolescents with more mature personalities in 1994 tended to show fewer personality changes from 1994 to 2003. These maturity-stability effects held when parent reports were used to assess personality. All told, there was evidence of both stability and change in personality during the transition to adulthood.

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Smokers registering for a televised cessation program who also expressed interest in joining a support group and who had a nonsmoking buddy were randomly assigned to 3 conditions: no-contact control, discussion, and social support. All Ss received a self-help manual and were encouraged to watch the daily TV program. Ss in the discussion and social support conditions were scheduled to attend 3 group meetings (one with a buddy). Social support Ss and buddies received training in support and relapse prevention. A 4th analysis group was composed of Ss who failed to attend any of the scheduled meetings (no shows). There were strong group effects at the end of treatment. Abstinence rates were highest in the social support group, followed, in order, by the discussion group, no shows, and no-contact controls. The social support group improved outcome by increasing both the level of support and program material use (reading the manual and watching TV).

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