Reinforcement Learning with Human Teachers: Evidence of Feedback and
Guidance with Implications for Learning Performance http://robotic.media.mit.edu/wp-content/uploads/sites/7/2015/01/Thomaz-etal-AAAI-06.pdf
Guidance with Implications for Learning Performance http://robotic.media.mit.edu/wp-content/uploads/sites/7/2015/01/Thomaz-etal-AAAI-06.pdf