PROFILE Marcella Wells interpretive planner||evaluator; visitor studies specialist||project manager||interpretive media content writer/developer, Consultant Wells Resources, Inc. About informal science Research STEM in Public Libraries: National Survey Results A Visitor-Centered Evaluation Hierarchy Cows, Conflict, and Communication: A Case Study in Southern Colorado Assessment of Museum World Wide Web Home Page Formats Interpretive Planning for Museums: Integrating Visitor Perspective in Decision Making