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Published on: March 1, 2017
Self- and Observer Reports of Personality.
Michael C Ashton1, Kibeom Lee2
1Department of Psychology, Brock University, St. Catharines, Ontario, Canada;
Self and observer reports on personality traits show high agreement, especially for close relationships. However, cooperation-related traits like Honesty-Humility are less consistent between self and observer assessments.
Area of Science:
- Psychology
- Personality Science
Background:
- Personality traits are commonly assessed using self-report or observer (informant) questionnaires.
- Close relationships, such as spouses or friends, provide unique perspectives for personality assessments.
Purpose of the Study:
- To examine the comparability and agreement between self-reports and observer reports for personality traits.
- To investigate how agreement varies across different personality factors, including the Big Five and HEXACO models.
Main Methods:
- Utilized full-length measures of the Big Five (Five-Factor Model) and HEXACO personality factors.
- Analyzed data from self-reports and observer reports provided by closely acquainted individuals.
Main Results:
- Mean scores for self and observer reports are generally comparable, with Openness to Experience being higher in self-reports.
- Self/observer agreement (convergent correlations) is high but lower for cooperation-related traits (HEXACO Honesty-Humility, HEXACO Agreeableness, Big Five Agreeableness).
- Openness to Experience, Honesty-Humility, and Big Five Agreeableness show similarity and assumed similarity between closely acquainted persons.
Conclusions:
- Observer reports provide a reliable, though not perfect, complement to self-reports for assessing personality.
- Cooperation-related traits may require more nuanced assessment methods due to lower self/observer agreement.
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