Abstract
The objective of our study was to explore the relationship between circadian typology and personality, using the biological based Zuckerman–Kuhlman Personality Questionnaire (Zuckerman et al., 1993). The corresponding Spanish version (Goma-i-Freixanet et al., 2004) was administered together with the reduced morningness–eveningness Questionnaire (Adan & Almirall, 1991) to two different Spanish samples: 533 college students and 412 adult women. A third sample of 688 adolescents was tested using the Zuckerman’s junior Sensation Seeking Scale (Perez et al., 1986) and the morningness–eveningness scale for children (Diaz-Morales & Gutierrez, 2008). Results indicated that morning-types scored significantly higher on Activity, morning-type men on Neuroticism-Anxiety while evening-type women on Aggression-Hostility and Impulsive Sensation Seeking. Evening type adolescents also scored significantly higher on Sensation-Seeking. We discuss the relevance of the obtained results for applied settings and the suitability of using this personality model in the context of circadian rhythms research.
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