PROFILE Debra Bernstein Senior Researcher TERC Inc About informal science Research Working with a robot: Exploring relationship potential in human-robot systems The Personal Exploration Rover: Educational assessment of a robotic exhibit for informal learning venues Searching for Signs of Intelligent Life: An Investigation of Young Children’s Beliefs About Robot Intelligence. Long term human-robot interaction: The personal exploration rovers and museum docents Cognitive evaluation of human-robot systems: A method for analyzing cognitive change in human-robot systems Evaluation The Personal Exploration Rover: Educational Assessment of a Robotic Exhibit for Informal Learning Venues