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Dr. Norcio has directed the following Ph.D. graduates:

Dr.. Lawrence E. Burgee, The Effects of Screen Size, Information Organization, and Time on User Comprehension of Text-Based Information Presented in a Web Browser, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2005.

Dr. Joyram Chakraborty, A Cross-Cultural Usability Study on the Internationalization of User Interfaces Based upon an Empirical Five Factor Model, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), December 2009.

Dr. Qiyang Chen, Pattern Recognition and Classification in User Modeling: A Neural Network Approach, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 1995.

Dr. Chaichang Chiu, Reasoning about Domain Knowledge for Dynamic User Modeling in Adaptive Human-Computer Interfaces: A Fuzzy Logic/Neural Network Approach, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 1993.

Dr. Carlton Crabtree, Studying the Accuracy of Software Process Elicitation: The User Articulated Model, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), December 2010.

Dr. Darren A. Denenberg, The Effectiveness of Using Color and Shape Presentations for Indicating Status Information on User Decision-Making in Time Pressure Situations, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), January 2002.

Dr. Thomas W. Dillon, Spoken Language Interaction: Effects of Vocabulary Size, User Experience, and Expertise on User Acceptance and Performance, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 1995.

Dr. Matthew D. Dinmore, Improving the Effectiveness of End User-Developed Software as a Medium for Communicating and Reusing Problem-Solving Knowledge, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2012.

Dr. Quyin Fan, The Effects of Beacons, Comments, and Tasks on Program Comprehension Process in Software Maintenance, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2010.

Dr. Katherine G. Farinholt, The Design of a Theoretical Methodology for Identifying Factors that Enhance Performance of User Classes Interacting with Complex Systems, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 1995.

Dr.. Danny Ho, Towards a Framework for Collaborative Information Exchange: Exploring Effects of Time Pressure and Task Difficulty on Group Cognition Behaviors and Implications for Computer Supported Collaboration in Healthcare, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2011.

Dr. Thomas W. Jack, Incorporating Prediction of Cognitive Response to Tonal Stimuli in an Information System, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), August 1994.

Dr. Darniet K. Jennings, Information Cognition and Presentation in Three Dimensional Space: An Examination of the Effect of Visual Metaphor Augmentation on Information Perception in Virtual Environments, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2003.

Dr. Jonathan K. Lazar, The Effects of Training Novice Users in Developing Strategies for Cognitively Evaluating Appropriate Responses to Errors When Learning to Use the Internet, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 1999.

Dr. Pramote Luenam, Adaptive Intrusion Tolerant Database System, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2008. (Co-Mentor: Dr. Peng Liu, Pennsylvania State University)

Dr. Keith C. Mitchell, Analysis of Intelligent Agent Effectiveness in Human Computer Interfaces for Enhancing User Performance in Healthcare Decision Support Systems, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), August 1997.

Dr. Jantawan Noiwan, Animated Banner Graphic Colors: The Effect on Attention and Perceived Usability between American and Thai Users, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2002.

Dr. Thawatchai Piyawat, Fuzzy Object-Oriented User Modeling: Theory, Representation, and Effectiveness, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2002.

Dr. James R. Warren, CASE/Simulation Systems, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 1992.

Dr. Azene Zenebe, Uncertainty Identification, Representation, and Inference in an User Model Based Adaptive Information Systems, Ph.D. Dissertation, Department of Information Systems, University of Maryland (UMBC), May 2005.