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Relationship between chronotype and temperament/character among university students.

Authors
 Kounseok Lee  ;  Hye-Kyung Lee  ;  Kyungun Jhung  ;  Jin Young Park 
Citation
 PSYCHIATRY RESEARCH-NEUROIMAGING, Vol.251 : 63-68, 2017 
Journal Title
 PSYCHIATRY RESEARCH-NEUROIMAGING 
ISSN
 0925-4927 
Issue Date
2017
MeSH
Adult ; Character* ; Circadian Rhythm*/physiology ; Cross-Sectional Studies ; Female ; Harm Reduction*/physiology ; Humans ; Male ; Personality Inventory ; Self Report ; Students/psychology* ; Temperament*/physiology ; Universities* ; Young Adult
Keywords
Character ; Chronotype ; Temperament
Abstract
Chronotype is largely classified as being morning or evening types according to preference for daily activity and the preferred bedtime. This study examined the relationship between chronotype and temperament/character dimensions among university students. A total of 2857 participants completed the 140-item Temperament and Character Inventory-Revised Short version (TCI-RS) from a 5-score scale as well as the 13-item composite scale for morningness-eveningness (CSM). In this study, we classified chronotype as "morning," "neither," or "evening" types according to CSM scores and compared the scores in terms of 4 temperament dimensions and 3 character dimensions. The evening type showed high values for novelty seeking and harm avoidance, whereas the morning type had high scores for persistence, self-directedness, and cooperativeness. A logistic regression analysis after controlling for age and gender showed that chronotype significantly associated with persistence and novelty seeking. The results of this study suggest that chronotype is different according to gender and age and in addition, chronotype closely correlates with temperament and character. Among these, eveningness was associated with high novelty seeking, whereas morningness was associated with high persistence. Further studies are required to investigate the relationship between chronotype and temperament/character dimensions in a wider age bracket.
Full Text
http://www.sciencedirect.com/science/article/pii/S0165178116304942
DOI
10.1016/j.psychres.2017.01.071
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Park, Jin Young(박진영) ORCID logo https://orcid.org/0000-0002-5351-9549
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/154692
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