Christian Vollmer
Christian Vollmer
Pädagogische Hochschule Tirol
Verified email at - Homepage
Cited by
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Outdoor light at night (LAN) is correlated with eveningness in adolescents
C Vollmer, U Michel, C Randler
Chronobiology International 29, 502-508, 2012
Computer Game Addiction in Adolescents and Its Relationship to Chronotype and Personality
C Vollmer, C Randler, MB Horzum, T Ayas
SAGE Open 4 (1), 1-9, 2014
Internet addiction and its relationship to chronotype and personality in a Turkish university student sample
C Randler, MB Horzum, C Vollmer
Social Science Computer Review 32 (4), 484-495, 2014
The influence of chronotype and intelligence on academic achievement in primary school is mediated by conscientiousness, midpoint of sleep and motivation
T Arbabi, C Vollmer, T Dörfler, C Randler
Chronobiology international 32 (3), 349-357, 2015
Chronotype but not sleep length is related to salivary testosterone in young adult men
C Randler, N Ebenhöh, A Fischer, S Höchel, C Schroff, JC Stoll, ...
Psychoneuroendocrinology 37, 1740-1744, 2012
Morningness–eveningness and amplitude–development and validation of an improved composite scale to measure circadian preference and stability (MESSi)
C Randler, JF Díaz-Morales, A Rahafar, C Vollmer
Chronobiology international 33 (7), 832-848, 2016
The role of chronotype, gender, test anxiety, and conscientiousness in academic achievement of high school students
A Rahafar, M Maghsudloo, S Farhangnia, C Vollmer, C Randler
Chronobiology international 33 (1), 1-9, 2016
Morningness is associated with better gradings and higher attention in class
C Vollmer, F Pötsch, C Randler
Learning and Individual Differences 27, 167-173, 2013
Circadian preferences and personality values: Morning types prefer social values, evening types prefer individual values
C Vollmer, C Randler
Personality and Individual Differences 52, 738-743, 2012
Emotional and motivational outcomes of lab work in the secondary intermediate track: The contribution of a science center outreach lab
H Itzek‐Greulich, C Vollmer
Journal of Research in Science Teaching 54 (1), 3-28, 2017
Aggression in young adults - A matter of short sleep and social jetlag?
C Randler, C Vollmer
Psychological Reports, 2013
Effects of a science center outreach lab on school students' achievement–Are student lab visits needed when they teach what students can learn at school?
H Itzek-Greulich, B Flunger, C Vollmer, B Nagengast, M Rehm, ...
Learning and Instruction 38, 43-52, 2015
Evening adolescents: The role of family relationships and pubertal development
JF Díaz-Morales, C Escribano, KS Jankowski, C Vollmer, C Randler
Journal of Adolescence 37 (4), 425-432, 2014
Morningness–eveningness correlates with sleep time, quality, and hygiene in secondary school students: a multilevel analysis
C Vollmer, KS Jankowski, JF Díaz-Morales, H Itzek-Greulich, ...
Sleep Medicine 30, 151-159, 2017
Morningness and life satisfaction: further evidence from Spain
JF Díaz-Morales, KS Jankowski, C Vollmer, C Randler
Chronobiology International, 2013
Reliability and validation of a short scale to measure situational emotions in science education
C Randler, E Hummel, M Gläser-Zikuda, C Vollmer, FX Bogner, P Mayring
International Journal of Environmental & Science Education 6, 355-365, 2011
Effectiveness of lab-work learning environments in and out of school: A cluster randomized study
H Itzek-Greulich, B Flunger, C Vollmer, B Nagengast, M Rehm, ...
Contemporary Educational Psychology 48, 98-115, 2017
Learning Achievement and Motivation in an Out-of-School Setting—Visiting Amphibians and Reptiles in a Zoo Is More Effective than a Lesson at School
S Wünschmann, P Wüst-Ackermann, C Randler, C Vollmer, ...
Research in Science Education 47 (3), 497-518, 2017
Association among school‐related, parental and self‐related problems and morningness-eveningness in adolescents
C Vollmer, S Schaal, E Hummel, C Randler
Stress and Health 27, 413-419, 2011
The interaction of chronotype and time of day in a science course: Adolescent evening types learn more and are more motivated in the afternoon
H Itzek-Greulich, C Randler, C Vollmer
Learning and Individual Differences 51, 189-198, 2016
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