TY - RPRT TI - Targeted Help for Spoken Dialogue Systems: Intelligent Feedback Improves Naive Users' Performance AU - Hockey, Beth Ann AU - Lemon, Oliver AU - Campana, Ellen AU - Hiatt, Laura AU - Aist, Gregory AU - Hieronymous, Jim AU - Gruenstein, Alexander AU - Dowding, John PY - 2003 UR - https://ntrs.nasa.gov/citations/20030107286 ID - 20030107286 ER -