The role of age versus expertise in peer collaboration during joint planning
Article Abstract:
A study was conducted on the effect of age and expertise on collaboration between children and on children's learning. Five-year-old novice planners were made to perform a collaborative task either with seven-year-old experts or expert planners of the same age. Results revealed that novices who worked with experts of the same age were more involved in the task than novices working with older experts. A positive correlation was obtained between level of involvement and performance in a posttest. Children who worked with same-age experts showed a better posttest performance compared to those who performed without peer assistance.
Publication Name: Journal of Experimental Child Psychology
Subject: Psychology and mental health
ISSN: 0022-0965
Year: 1993
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Genetic and environmental influences on individual differences in masculinity, femininity, and gender diagnosticity: analyzing data from a classic twin study
Article Abstract:
The genetic and environmental factors affecting Masculine Instrumentality (M), Feminine Expressiveness (F), and Gender Diagnosticity (GD) were examined via analysis of data from Leohlin and Nichols's 1976 twin study. Within-sex individual differences were analyzed using a quantitative genetic modelling approach. The results suggested that gender differences are not shown by the genetic and environmental components of individual differences in F, M and GD, although additive genetic factors affect these differences. Environmental effects were not shared F, M and GD.
Publication Name: Journal of Personality
Subject: Psychology and mental health
ISSN: 0022-3506
Year: 1999
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Twin children with unfamiliar partners: genotypic and gender influences on cooperation
Article Abstract:
Female pairs of monozygotic and zygotic groups exhibit higher cooperation, mutuality and accommodation in their puzzle-completion activities than male pairs, as evident from a social-genetic study. The zygosity of the unfamiliar pairs hardly affects the cooperative behavior. The unfamiliar monozygotic and zygotic dyads seem to be little influenced by their social-interactional differences.
Publication Name: Journal of Child Psychology and Psychiatry and Allied Disciplines
Subject: Psychology and mental health
ISSN: 0021-9630
Year: 1996
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