Studied occurrence of completed suicide by age in one-year age groups in adolescence and young adulthood via official Finnish mortality statistics and population statistics. Suicide rates increased sharply by age during adolescence, starting somewhat earlier among boys than among girls. (Author/NB)

Developmental change in self-esteem was assessed from early adolescence through early adulthood. Found that males tended to increase and females to decrease in self-esteem over time and that there was rank order consistency in self-esteem over time. Within each gender, individuals' differences in developmental trajectories were related to…

Male and female student volunteers were photographed nude in three orientations and asked to identify bodily parts from an array of photographs grouped according to height and linearity. Results are discussed in terms of ego involvement, narcissism, and the increased attention given to the body during adolescence. (Author/GK)

This study compared articulatory movements of 30 adolescents (12-16 years) and 30 young adults. Trajectory variability, especially lip trajectories, was higher for the adolescents. Adolescents also had significantly longer movement durations, lower velocities, smaller displacements, and greater variability on these measures than young adults. No…

Interviews young people about their first sexual intercourse. Main findings show communication plays a central role mediating between the degree of anticipation and the degree to which first intercourse is wanted, protected, and enjoyed. First intercourse tends to be silent. Where young people are ambivalent, verbal and non-verbal communication…

The self-concept construct has been used to explain behaviors across a diverse array of situations, and the attainment of a positive self-concept has been posited as a desirable goal in developmental psychology. The purposes of this study were to examine age and sex effects in multiple dimensions of self-concept during the preadolescence to…

Establishment of identity represents a normative developmental crisis at adolescence. It is commonly speculated that adopted adolescents find resolution of the identity crisis especially difficult. Some theorists and researchers suggest that adoptees who search for information about their birth heritage have failed to make satisfactory progress…

Examined the relationship between empathy and moral reasoning, age and gender differences in expression of emotional empathy, and flexibility of moral reasoning in 330 adolescents, ages 12 to 20. Moral reasoning, assessed by Flexibility of Moral Judgement Index, and empathy were found to be unrelated. (Author/DST)

Through written responses to a questionnaire, adolescents' perceptions of discussions with parents and friends were examined with reference to academic/vocational, social/ethical, family, and peer domains. Findings are discussed in terms of differences in procedures of social construction between parents' and friends' socializing influences.…

This study explores intrapsychic structures underlying Marcia's ego identity statuses in terms of separation-individuation patterns. Marcia's Ego Identity Status Interview and Hansburg's Separation Anxiety Test were administered to 140 undergraduates in New Zealand. As predicted, high statuses showed less anxiety than secure attachment or…

Uses data from a nationally representative longitudinal sample to examine the relationship of marijuana use by high school seniors to occupational attainment ten years later. Analyses were conducted separately by gender, with and without controlling for other variables. Results indicate that the influence of marijuana use on occupational…

Data from the National Survey of Children (Waves 1 and 3), a longitudinal survey of 2,000 children who were between the ages of 7 and 11 during the first wave in 1976 and between the ages of 16 and 20 during the third wave in 1987, were analyzed to examine the impact of paternal involvement during childhood as well as the ongoing father-child…

Compared adolescents' (14 to 20 years) and young adults' (21 to 37 years) wisdom-related knowledge and judgment related to difficult and ill-defined life dilemmas. Rated responses along five wisdom criteria. Found that adolescents performed at lower levels than young adults but also demonstrated substantial age increments in performance.…

This analysis of 12,266 responses to the 3 Self-Description Questionnaires (which measure dimensions of self-concept in preadolescence) examined age and sex effects during preadolescence and early adulthood and alternative operationalizations of the proposition that self-concept becomes more differentiated with age. Well-defined factor structures…

This study examined the relation between family variables and the mental health outcomes of adolescents. Family members' feelings about one another were assessed when the children were in grades 6 and 8. Family members' closeness to one another was assessed when children were in grades 8 and 12, and in a 4-year follow-up study. Adolescents' mental…