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Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: Human Cumulative Culture in the Laboratory: Effects of (Micro) Population Size
Author(s): Caldwell, Christine Anna
Millen, Ailsa E.
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Keywords: social learning
cumulative culture
Issue Date: 2010
Citation: Caldwell CA & Millen AE (2010) Human Cumulative Culture in the Laboratory: Effects of (Micro) Population Size, Learning and Behavior, 38 (3), pp. 310-318.
Abstract: Traditionally, experiments on social learning (both in humans and nonhumans) involve dyads, with an experimenter or experimenter-trained conspecific serving as the demonstrator and the participant as the observer. But social learning in nature often involves multiple potential models, and the models themselves were once learners. We discuss our studies of social learning in adult humans in interactive group settings in the absence of formal demonstrations by experimenters, which track transmission over multiple learner generations. In these experiments we find evidence for cumulative learning over generations. This has allowed us to manipulate learning conditions in order to test hypotheses regarding the necessary conditions for cumulative culture. We also report results from a further experiment using similar methods, which compares conditions of varying cohort size. Participants were given the task to build a paper airplane to fly as far as possible. Contrary to expectations, there was no advantage for larger cohort sizes, in terms of the cumulative effects observed.
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Rights: Published in Learning and Behavior by Psychonomic Society. The final publication is available at (

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