Is Accurate, Positive, or Inflated Self-Perception Most Advantageous for Psychological Adjustment? A Competitive Test of Key Hypotheses  /

Preprint of "Is Accurate, Positive, or Inflated Self-Perception Most Advantageous for Psychological Adjustment? A Competitive Test of Key Hypotheses"

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Description: Empirical research on the (mal-)adaptiveness of favorable self-perceptions, self-enhancement, and self-knowledge has typically applied a classical null-hypothesis testing approach and provided mixed and even contradictory findings. Using data from five studies (laboratory and field, total N = 2,823), we employed an information-theoretic approach combined with Response Surface Analysis to provide the first competitive test of six popular hypotheses: that more favorable self-perceptions are adaptive versus maladaptive (Hypotheses 1 and 2: Positivity of self-view hypotheses), that higher levels of self-enhancement (i.e., a higher discrepancy of self-viewed and objectively assessed ability) are adaptive versus maladaptive (Hypotheses 3 and 4: Self-enhancement hypotheses), that accurate self-perceptions are adaptive (Hypothesis 5: Self-knowledge hypothesis), and that a slight degree of self-enhancement is adaptive (Hypothesis 6: Optimal margin hypothesis). We considered self-perceptions and objective ability measures in two content domains (reasoning ability, vocabulary knowledge) and investigated six indicators of intra- and interpersonal psychological adjustment. Results showed that most adjustment indicators were best predicted by the positivity of self-perceptions, there were some specific self-enhancement effects, and evidence generally spoke against the self-knowledge and optimal margin hypotheses. Our results highlight the need for comprehensive simultaneous tests of competing hypotheses. Implications for the understanding of underlying processes are discussed.

License: CC-By Attribution 4.0 International

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