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    Health Psychol. 1991;10(1):75-8.

    An experimental evaluation of a prototype public access nutrition information system for supermarkets.

    Source

    Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg 24061-0436.

    Abstract

    Located the Nutrition for a Lifetime System (NLS-1), a prototype interactive information system, in a large supermarket to help users decrease high-fat food purchases and increase high-fiber food purchases. Study participants were randomly assigned to control (n = 23; used the NLS-1 to enter food purchases only) or experimental (n = 26; viewed videodisc instructional programs, received prompts, made commitments, received feedback from the NLS-1) conditions. According to data entered in the NLS-1 and actual food shopping receipts, experimental participants significantly reduced higher fat purchases. Increases in higher fiber purchases favored the experimental group but were not significant.

    PMID:
    2026133
    [PubMed - indexed for MEDLINE]

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