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The Role Construct Repertory Grid was administered individually to groups of eight subjects representing the early, mid and late adolescence age ranges. The Mid-Adolescence Group showed significantly greater conceptual distances between ideal-self and actual-self than either of the other groups. Differences between the age groups on self-integration plots and a measure of self-isolation were also observed. Evidence was found of decreasing identification with parents as a function of age.
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Strachan et al. (1982) studied this question.
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