Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing this collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to Department of Defense, Washington Headquarters Services,

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... torate for Information Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. The Navy Human Performance Center (HPC) and Navy Personnel Command (NPC) have reached the final phase of development for the Navy's Human Performance Feedback and Development (HPFD) and ePerformance system. This second and final iteration of usability testing was designed to verify the functionality of system revisions made as a result of recommendations offered in Schwerin et al. (2004) and gather user perceptions of system usability and cultural issues that may affect HPFD and ePerformance system implementation. This report documents the results of usability test and user survey data collection. Usability timing and errors analyses suggest that system enhancements as a result of the first usability study improved the overall usability of the HPFD and ePerformance system, but users still have significant difficulty finding, opening and creating HPFD and ePerformance documents. 15. SUBJECT TERMS HPFD, ePerformance, Navy, usability testing, Human Systems Integration (HSI) 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT 18. NUMBER OF PAGES 19a. NAME OF RESPONSIBLE PERSON Michael Schwerin a. REPORT UNCLASSIFIED b. ABSTRACT UNCLASSIFIED c. THIS PAGE UNCLASSIFIED UNLIMITED 56 19b. TELEPHONE NUMBER (include area code) 919-316-3878 Standard Form 298 (Rev. 8-98) Prescribed by ANSI Std. Z39.18