Before revision:  We performed three different user studies to test effectiveness of different deceptive strategies and our adaptive algorithm in the long run. The statistical evaluation of these studies showed that the proposed adaptive deceptive algorithm did deceive humans in the long run and it is more effective than a random choice of deceptive strategies.
After revision:  We performed a user study to test our proposed adaptive deceptive algorithm did deceive humans in the long run and it is more effective than a random choice of deceptive strategies.