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Christensen, Helen; Batterham, Philip J.; Mackinnon, Andrew J. – Journal of Cognition and Development, 2013
The investment hypothesis proposes that fluid intelligence drives the accumulation of crystallized intelligence, such that crystallized intelligence increases more substantially in individuals with high rather than low fluid intelligence. However, most investigations have been conducted on adolescent cohorts or in two-wave data sets. There are few…
Descriptors: Intelligence, Adolescents, Longitudinal Studies, Decision Making