A review of 23 studies in Janssen, Heerkens, Kuijer, van der Heijden, and Engels' "Effects of mindfulness-based stress reduction on employees' mental health: A systematic review" revealed that
a. the strongest outcomes were increased levels of emotional exhaustion (a dimension of burnout), stress, psychological distress, depression, anxiety, and occupational stress.
b. research on the effects of mindfulness on employees remains relatively uncharted.
c. MBSR may improve employees' psychological function.
d. all of these