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Developmental changes in ideas about lying.

C C Peterson, J L Peterson, D Seeto

    Child Development
    |December 1, 1983
    PubMed
    Summary
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    Children

    Area of Science:

    • Developmental Psychology
    • Moral Development
    • Child Psychology

    Background:

    • Understanding children's comprehension and moral judgments of deception is crucial for developmental psychology.
    • Previous research indicates varying levels of understanding regarding truthfulness and falsehoods across different age groups.

    Purpose of the Study:

    • To investigate how children's definitions and moral evaluations of lying evolve with age.
    • To compare children's and adults' judgments of different types of untruthful statements.

    Main Methods:

    • 200 participants across five age groups (5, 8, 9, 11 years, and adults) viewed videotaped scenarios.
    • Subjects evaluated deliberate lies, unintentional falsehoods, and "jocose" lies.

    Main Results:

    Related Experiment Videos

    • Definitions of lying shifted gradually across the age range studied.
    • Adults exhibited more leniency in moral judgments than children.
    • All age groups differentiated moral evaluations based on the lie's motivation and consequences, with harmful lies judged more harshly.

    Conclusions:

    • Children's understanding of lying and its moral implications develops progressively.
    • Justifications for prohibiting lying shift from external sanctions in younger children to internal principles of trust and fairness in older children and adults.