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Diagnostic labels for mental health conditions can inadvertently reinforce harmful stereotypes and exacerbate stigma. If a diagnosis is incorrect and a label is wrongly applied, this may negatively impact person impressions even if the inaccurate label is later corrected. This registered report examined this issue. Participants (N = 560) read a vignette about a hospital patient who was either diagnosed with schizophrenia, diagnosed with major depressive disorder, or not diagnosed with a mental health condition. The diagnostic labels were later retracted strongly, retracted weakly, or not retracted. Participants completed several stigma measures (desire for social distance, perceived dangerousness, and unpredictability), plus several inferential-reasoning measures that tested their reliance on the diagnostic label. As predicted, each mental health diagnosis elicited stigma, and influenced inferential reasoning. This effect was stronger for the schizophrenia diagnosis compared to the major depressive disorder diagnosis. Importantly, the diagnostic label continued to influence person judgments after a clear retraction (strong or weak), highlighting the limitations of corrections in reducing reliance on person-related misinformation and mental health stigma.
Mickelberg et al. (Wed,) studied this question.