user_evaluation - 1 Fall 2008 CAP 6938 Topics in Pen-Based...

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Unformatted text preview: 1 Fall 2008 CAP 6938 Topics in Pen-Based User Interfaces Joseph J. LaViola Jr. Techniques for User Evaluation Lecture #12: User Evaluation Joseph J. LaViola Jr. Fall 2008 Fall 2008 CAP 6938 Topics in Pen-based User Interfaces Joseph J. LaViola Jr. Usability Testing Not exact science (but we try!!) Want to evaluate users performance preference feedback Goals learn about individual UI techniques learn about applications learn about hardware 2 Fall 2008 CAP 6938 Topics in Pen-based User Interfaces Joseph J. LaViola Jr. Basic Strategy What do I want to learn? based on observations, theory, etc Generate hypotheses (if applicable) Determine how to test the hypotheses experimental setup and design Pilot studies confirm study is sound Conduct study Analyze data use statistics Report findings Fall 2008 CAP 6938 Topics in Pen-based User Interfaces Joseph J. LaViola Jr. Experimental Strategies Formative gather feedback on evolving system, set of techniques, etc examine prototypes to refine system improve UI techniques Summative learn about system as a whole does it do what it is designed to do Qualitative approaches survey data, preference data, open ended questions Quantitative data time to completion, error, number of clicks. etc 3 Fall 2008 CAP 6938 Topics in Pen-based User Interfaces Joseph J. LaViola Jr. Experimental Setup Want to make user comfortable Allow moderator to observe without getting in the way Video Camera Moderator Subject Fall 2008 CAP 6938 Topics in Pen-based User Interfaces Joseph J. LaViola Jr....
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This note was uploaded on 06/13/2011 for the course CAP 6938 taught by Professor Staff during the Spring '08 term at University of Central Florida.

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user_evaluation - 1 Fall 2008 CAP 6938 Topics in Pen-Based...

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