Evaluation of GUI and Kinesthetic Teaching Methods for Constrained-Keyframe Skills Andrey Kurenkov1, Andrea Thomaz1, and Baris Akgun1 1Georgia Institute of Technology, United States We propose LfD method for learning skills as sequences of constraints We introduce a GUI for displaying the learned skill, altering it, or specifying it directly without demonstrations We compare 3 methods of teaching such skills (Kinesthetic, GUI, and K-GUI) We discuss the results of a user study, including that K-GUI teaching is the most preferred, and the GUI the least preferred