Abstract
This research note examines a historical example of independent inventions in the social sciences—specifically, convergences between sociological and cognitive psychological research on ambiguous stimuli. During the same year (1949), psychologists Bruner and Postman experimented with perceptual responses to "freak," or anomalous, playing cards, while sociologist Hughes identified patterns of human responses to "anomalous" social identities and roles. This unique example of synchronic independent inventions illustrates, at once, the hazards of interprofessional insularity and the rich potential of interdisciplinary cross-fertilization.
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