Reports on the findings of a comparative study of mental abilities of Mexican and American children. Discusses age, sex, social class, and urban-rural differences, as well as cultural differences. (SS)

This study investigated the progressive development in movement and movement patterns of children ages 2-6. Data were collected over a 3-year period at six-month intervals, based on films of 57 children performing 25 motor tasks. The results are presented along two dimensions: (1) Descriptive analysis of progress of young children in movement with…

A 2-year study concludes that cognitive and developmental changes are less important determinants of children's television use than are family patterns and external variables affecting the opportunity to view. Subjects were 326 children within 3 months of their third or fifth birthdays at the beginning of the study and their families, most of…

While changes in levels of activity and in social relationships in old age have interested researchers for some time, longitudinal studies have only recently begun to yield information about changes in social relationships across time for older adults. Parents (N=74) of the 1928-1929 Guidance Study and Berkeley Growth Study children, who are now…

In order to test the hypothesis that the longevity of aged persons differs according to residence and by sex, race, and marital status, data from every third year between 1962 and 1974 in the Louisiana State Bureau of Vital Statistics were examined. Criteria for population inclusion were: people over 65 years of age; Louisiana residents at time of…

Studies the relationship between social class and intelligence age five among 400 children of mature birthweight and without significant prenatal complications, in order to identify variables which would statistically account for the influence of social class upon I.Q. (Author/JM)

Examined early development of guilt in 106 children observed in laboratory paradigms in which they were led to believe they had damaged valuable objects during 2 sessions at 22, 33, and 45 months. Found support for a mediational model in which fearful temperament contributed to guilt proneness, which served to inhibit children's tendency to…

A six-year study investigated relationships between individual development and: (1) changes in aggressive expression; (2) continuities of aggressive behavior in girls and boys; and (3) convergence between self-concepts and social attributions of others in ontogeny. Participants were 220 fourth grade students who were followed from childhood…

Analyzes the interrelationships among delinquency, substance abuse, and sexual activity in a sample of 1,725 youths over a 5-year period. Findings indicate that adolescent sexual intercourse is a function of age and sex, and may reflect a general propensity to engage in risky behavior. (FMW)

Reports on a longitudinal study of nearly 1,000 English words to determine differences in usage in the United States in the 1930s and 1990s related to age, sex, race, education, region, and rurality. The results indicated that males, whites, older speakers, and speakers from rural areas use more older terms, whereas most educated speakers use…

Examined development of child and adolescent self-concept in two overlapping age cohorts as a function of the self-concept domain, social/developmental/educational transitions, and gender. Structural equation modeling addressed questions about stability of individual differences over time. Multilevel modeling addressed questions about mean-level…

Followed 153 smokers who attempted to quit smoking without treatment. Nineteen percent were abstinent at two-year follow-up. Use of multiple strategies was associated with two-year abstinence. Variables associated with short-term cessation were generally unrelated to long-term outcome, although strong motivation to quit was important for both…

The present study examined relations between behaviors of mothers and children. The analysis of relations over time suggested that stimulating responsive maternal behavior influenced the child's intellectual development, whereas in the area of social relations the child's behavior influenced the mother. (CS/Author)

Examines the changes in stressors on a university campus over the past eight years by replicating a 1983 study on the same campus. Undergraduates (n=639) completed a survey consisting of 7 demographic questions and 2 open-ended questions. Discusses differences in both personal and academic problems between the 1985 and 1993 sample for different…

Only a longitudinal study, in which retrospective reports can be verified against data collected earlier, can determine what topics tend to be reported accurately and whether certain types of individuals are more likely to be accurate reporters. A representative group of adults (N=60) who became parents 50 years ago are now part of the oldest and…