Circadian typology, age, and the alternative five-factor personality model in an adult women sample

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Research on personality and circadian typology indicates evening-type women are more impulsive and novelty seeking, neither types are more anxious, and morning types tend to be more active, conscientious, and persistent. The purpose of this study is to examine the differences between circadian typologies in the light of the Zuckerman's Alternative Five-Factor Model (AFFM) of personality, which has a strong biological basis, in an adult sample of 412 women 18 to 55 yrs of age. The authors found morning-type women had significant higher scores than evening-type and neither-type women on Activity, and its subscales General Activity and Work Activity. In contrast, evening-type women scored significantly higher than morning-type women on Aggression-Hostility, Impulsive Sensation Seeking, and its subscale Sensation Seeking. In all groups, results were independent of age. These findings are in accordance with those previously obtained in female student samples and add new data on the AFFM. The need of using personality models that are biologically based in the study of circadian rhythms is discussed. Copyright © Informa Healthcare USA, Inc.
Original languageEnglish
Pages (from-to)690-696
JournalChronobiology International
Issue number8
Publication statusPublished - 1 Oct 2011


  • Age
  • Circadian typology
  • Personality
  • Women
  • Zuckerman's Alternative Five-Factor Model
  • Zuckerman-Kuhlman Personality Questionnaire


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