European Psychologist Daily Fluctuations in Work Engagement: An Overview and Current Directions Arnold B. Bakker Online First Publication, June 3, 2014. http://dx.doi.org/10.1027/1016-9040/a000160 CITATION Bakker, A. B. (2014, June 3). Daily Fluctuations in Work Engagement: An Overview and Current Directions. European Psychologist. Advance online publication. http://dx.doi.org/10.1027/1016-9040/a000160