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Verhulst, F. C.; And Others – Journal of Child Psychology and Psychiatry and Allied Disciplines, 1985
Based on a study of the prevalence of nocturnal enuresis in a random sample of 2,070 children aged 4 to 16 years, argues that the DSM III age limit for enuresis should be raised to 8 years for boys. (NH)
Descriptors: Age Differences, Children, Clinical Diagnosis, Incidence

Ginsburg, Harvey J.; Miller, Shirley M. – Child Development, 1982
Sex differences in risk-taking were examined by observing 480 three- to 11-year-old children at four different risk-taking locations at the San Antonio zoo. While girls were just as likely as boys to enter the zoo, at all four of the risk-taking situations, significantly more boys than girls engaged in risk-taking behavior. (Author/RH)
Descriptors: Age Differences, Children, Naturalism, Observation

Lee, Amelia M.; And Others – Journal of Psychology, 1983
In a group of 179 American boys and girls 7, 9, and 11 years of age, investigates expectancy for success and actual performance on a tossing task labeled by children as being sex-neutral. Results indicate significant grade and sex differences on expectancy for success and actual performance. (Author/RH)
Descriptors: Age Differences, Children, Elementary Education, Expectation

Willis, Joyce B.; And Others – Journal of Educational Psychology, 1977
Children were given the opportunity to donate money to a charity under conditions varying the recipient characteristics (crippled child vs. crippled adult) and the situation in which the child acquired his resources (earned vs. windfall). Findings showed greater generosity toward children than adults and increased generosity with age. Girls…
Descriptors: Age Differences, Altruism, Children, Elementary Education
Griffin, James A.; And Others – 1989
In recent years notable advances have been made in the classification of child and adolescent psychopathology. The Diagnostic and Statistical Manual of Mental Disorders - III (DSM-III) has introduced a number of new diagnostic categories for child and adolescent disorders, yet little is known about how these new diagnostic categories are actually…
Descriptors: Adolescents, Age Differences, Children, Incidence

Copeland, Anne P. – Journal of Divorce, 1984
Examined relationships between children (N=61), aged 6 to 12, and their mothers in the first year of separation from their husbands. Analyzed videotapes of mother-child dyads who played for 30 minutes. Results showed involvement and positiveness were higher at the last half of the postseparation year for younger children. (BH)
Descriptors: Age Differences, Children, Divorce, Mothers
Hom, Harry L., Jr.; And Others – 1991
This study investigated children's reasoning about the relationship between praise and ability in an athletic activity. Three groups of young athletes were studied: boys between the ages of 7 and 11, and girls and boys between the ages of 14 and 18. Children read a scenario in which two athletes achieved the same score in an athletic activity. One…
Descriptors: Adolescents, Age Differences, Athletes, Athletics
Clance, Pauline Rose; And Others – 1975
Erik Erikson concluded that differences in the play constructions of young children are largely determined by psychosexual differences in the subjects and not by cultural influence. He suggested that additional observation of younger and older subjects could determine whether the differences were true for all ages or whether they were restricted…
Descriptors: Adolescents, Age Differences, Child Development, Children
Stewart, James T.; Blaess, Donna A. – 1975
This study examined students at two different age levels to determine if those forced into having valid expectations tended to exhibit increased motivation and, by extention, improved performance. Motivation was determined by measuring both student performance and the time spent on the performance task. Eighty students from two grade levels (six…
Descriptors: Age Differences, Children, Expectation, Motivation

Kirkpatrick, Sue W.; Sanders, Diane Moody – Journal of Genetic Psychology, 1978
Examines the hypothesis that temperament judgments associated with different body types are dependent upon the sex and age of the respondents. Five hundred male and female subjects ranging in age from 6 to 60 years matched 40 temperament or behavior descriptors with one of three body silhouettes representing an ectomorph, an endomorph, and a…
Descriptors: Adults, Age Differences, Body Image, Children

Behar, D.; Stewart, M.A. – Journal of Child Psychology and Psychiatry and Allied Disciplines, 1984
Investigates how socioeconomic status, sex, and age of admission to a child psychiatry ward influenced the clinical picture of aggressive conduct disorder among 58 affected children. As little evidence of variation in any of the three variables was found, results reinforced the idea that the disorder is a valid psychiatric syndrome. (RH)
Descriptors: Age Differences, Aggression, Behavior Disorders, Children

Wenger, Sherry; And Others – Merrill-Palmer Quarterly, 1980
Examines the effects of the child's age and the circumstances surrounding the child's aggression, as well as the sex of parent and child, in determining parents' judgments of children's aggressive behavior. Subjects were 160 upper-middle-class parents (80 pairs of mothers and fathers). (MP)
Descriptors: Age Differences, Aggression, Antisocial Behavior, Children

Stevenson, Richard J.; Repacholi, Betty M. – Developmental Psychology, 2003
Examined children's and adolescents' ability to identify male sweat and other odors and their rating of odors for liking. Found that only female adolescents could identify and disliked male sweat. When cued about odor identity, both male and female adolescents disliked male sweat more than children. Concluded that dislike for male sweat odor may…
Descriptors: Adolescents, Adults, Age Differences, Children

Edleson, Jeffrey L. – Journal of Interpersonal Violence, 1999
Expands common definitions of how children witness adult domestic violence through a review of 31 research articles. A variety of behavioral, emotional, and cognitive-functioning problems among children were found to be associated with exposure to domestic violence. Factors that appear to moderate the impact of witnessing violence (child abuse,…
Descriptors: Age Differences, Child Abuse, Children, Family Violence

Woolley, Jacqueline D.; Boerger, Elizabeth A. – Developmental Psychology, 2002
Three studies investigated development of beliefs about dreams among preschoolers, elementary school children, and adults. Results revealed significant changes between 3- and 5-years about the role of behavioral experiences and mental processes in generation of dream content. There was significant development in beliefs that dreams are not subject…
Descriptors: Adults, Age Differences, Beliefs, Children