%0 Journal Article %T Work characteristics, challenge appraisal, creativity, and proactive behavior: A multi‐level study %A Ohly, Sandra %A Fritz, Charlotte %J Journal of Organizational Behavior %V 31 %N 4 %P 543-565 %@ 0894-3796 %D 2010-05-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve