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    Tag: ecological validity

    Comparison of laboratory, field, natural and quasi-experiments by IV control, setting, random allocation, control and realism

    Types of Experiment in Psychology: Lab, Field, Natural, Quasi

    In one of psychology's best-known field experiments, 21 of 22 hospital nurses were ready to give a patient double the maximum dose of an unfamiliar dr…
    kathy-brodie
    Kathy Brodie October 1, 2026
    Types of validity in psychology table: internal, ecological, population, temporal, face and concurrent, and how to check each

    Validity in Psychology: Types, Assessment and Improvement

    In 1973, eight people with no mental illness claimed to hear voices and were admitted to 12 psychiatric hospitals. Not one was detected by staff, whic…
    kathy-brodie
    Kathy Brodie September 29, 2026

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