Browsing Makale Koleksiyonu by Author "Christian Vollmer"

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Age and gender differences in morningness-eveningness in Turkish adolescents and young adults

Christoph Randler; Christian Vollmer; Beşoluk, Şenol; Önder, İsmail (TAYLOR & FRANCIS LTD, 2014)

The aim of this study was to analyze gender and age differences in chronotype preference in a Turkish sample using the Composite Scale of Morningness. Four thousand four hundred and twenty three participants were randomly ...
Effects of longitude, latitude and social factors on chronotype in Turkish students

Masal, Ercan; Christoph Randler; Beşoluk, Şenol; Önder, İsmail; Horzum, Mehmet Barış; Christian Vollmer (PERGAMON-ELSEVIER SCIENCE LTD, 2015)

The aim of this research was to investigate whether morningness-eveningness, midpoint of sleep and average sleep duration are associated with longitude, latitude, age, gender, inhabitation and school start times in Turkish ...
Morningness-eveningness and the environment hypothesis A cross-cultural comparison of Turkish and German adolescents

Horzum, Mehmet Barış; Christoph Randler; Masal, Ercan; Beşoluk, Şenol; Önder, İsmail; Christian Vollmer (TAYLOR & FRANCIS INC, 2015)

Individuals differ in morningness-eveningness, which is their preferred time for intellectual and physical activities. Although it is a basic human trait, cross-cultural comparisons are scarce but interesting because they ...