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 | 216 | 2014 |
Outdoor light at night (LAN) is correlated with eveningness in adolescents C Vollmer, U Michel, C Randler Chronobiology International 29, 502-508, 2012 | 213 | 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 | 128 | 2016 |
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 | 128 | 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 | 122 | 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 | 107 | 2012 |
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 | 103 | 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 | 99 | 2013 |
Aggression in young adults - A matter of short sleep and social jetlag? C Randler, C Vollmer Psychological Reports, 2013 | 92 | 2013 |
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 | 90 | 2017 |
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 | 82 | 2012 |
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 | 75 | 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 | 75 | 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 | 74 | 2017 |
Breakpoints of time in bed, midpoint of sleep, and social jetlag from infancy to early adulthood C Randler, C Vollmer, N Kalb, H Itzek-Greulich Sleep medicine 57, 80-86, 2019 | 71 | 2019 |
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 | 70 | 2017 |
Morningness and life satisfaction: further evidence from Spain JF Díaz-Morales, KS Jankowski, C Vollmer, C Randler Chronobiology International, 2013 | 70 | 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 | 69 | 2011 |
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 | 68 | 2017 |
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 | 61 | 2016 |