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July 29, 2026Health PsychologyOpen Access

The perils of partialing optimism: Relationships with personality and health.

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Authors

SSSuzanne C. SegerstromDLDonald R. Lynam

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Overview

Randomized trial tests the effects of partialing optimism and pessimism on psychological outcomes, suggesting caution in interpretations.

Key Points

  • This research investigates the reliability and validity of partial optimism and pessimism within psychological and health outcomes.
  • Used structural equation modeling to analyze the effects of partialing optimism and pessimism.
  • Tested differences in external validity and intraclass correlations to assess profile similarity.
  • Partialed constructs displayed lower reliability and convergent validity with core aspects of trait optimism.
  • Fewer differences were noted between optimism and pessimism compared to their partialed versions.

Cite This Study

Segerstrom et al. (2026) studied this question.

synapsesocial.com/papers/6a69a2e2c8da07d9defa6f7ahttps://doi.org/10.1037/hea0001635
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