Beutel, M. E., Klein, E. M., Aufenanger, S., Brähler, E., Dreier, M., Müller, K. W., . . . Wölfling, K. (2016). Procrastination, distress and life satisfaction across the age range—A German representative community study. PLOS ONE, 11(2). doi:10.1371/journal.pone.0148054