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Relationship between chronotype and temperament/character among university students
Kounseok Lee1, Hye-Kyung Lee2, Kyungun Jhung3
1Department of Psychiatry, St. Andrew's Hospital, Icheon, Republic of Korea; Department of Psychiatry, Graduate school, Hanyang University, Seoul, Republic of Korea.
Psychiatry Research
|February 12, 2017
Summary
Morning or evening chronotypes are linked to distinct personality traits. Evening types exhibit higher novelty seeking, while morning types show greater persistence and self-directedness, impacting character dimensions.
Area of Science:
- Psychology
- Chronobiology
- Personality Science
Background:
- Chronotype, categorized as morning or evening preference, influences daily activity and sleep patterns.
- Understanding the interplay between chronotype and personality is crucial for holistic psychological assessment.
Purpose of the Study:
- To investigate the relationship between chronotype (morning, neither, evening) and temperament/character dimensions.
- To identify specific personality traits associated with different chronotypes in university students.
Main Methods:
- Utilized the Temperament and Character Inventory-Revised Short version (TCI-RS) and the Composite Scale for Morningness-Eveningness (CSM).
- Analyzed data from 2857 university students, classifying chronotypes and comparing TCI-RS scores.
- Employed logistic regression analysis, controlling for age and gender.
Main Results:
- Evening types scored higher in novelty seeking and harm avoidance.
- Morning types demonstrated higher scores in persistence, self-directedness, and cooperativeness.
- Chronotype significantly associated with persistence and novelty seeking, independent of age and gender.
Conclusions:
- Chronotype is associated with specific temperament and character dimensions.
- Eveningness correlates with high novelty seeking, while morningness is linked to high persistence.
- Further research across broader age groups is recommended to explore these chronotype-personality links.
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