ABSTRACT
To enhance the decision support of emergency responders, we are examining the ability of decision space visualization tools to enhance option awareness and support more robust decision making. The current study extends prior work to detail the impact of the decision space information provided to users, relating the correctness of decisions to the levels of complexity represented in the events and the affordances for understanding altemati ve actions. This research provides fmthcr insight into the value of decision space information and option awareness for users working in complex environments.
