TAILIEUCHUNG - Lecture Enterprise systems development (CSC447) - Lecture 31

The objectives of this chapter are to introduce the conversion business process; to discuss the REA ontology representation of conversion processes, and to describe some of the typical information needs in the conversion business process. | Lecture 31 Enterprise Systems Development ( CSC447) COMSATS Islamabad Muhammad Usman, Assistant Professor College of Statistical and Acturial Science USER INTERFACE DESIGN MANAGING DESIGN PROCESS Participatory Design Participatory Design (cont.) Controversial More user involvement brings: more accurate information about tasks more opportunity for users to influence design decisions a sense of participation that builds users ego investment in successful implementation potential for increased user acceptance of final system Participatory Design (cont.) On the negative side, extensive user involvement may: be more costly lengthen the implementation period build antagonism with people not involved or whose suggestions rejected force designers to compromise their design to satisfy incompetent participants build opposition to implementation exacerbate personality conflicts between design-team members and users show that organizational politics and preferences of certain individuals are more important than technical issues Participatory Design (cont.) Scenario Development Day-in-the-life scenarios: characterize what happens when users perform typical tasks can be acted out as a form of walkthrough may be used as basis for videotape useful tools table of user communities across top, tasks listed down the side table of task sequences flowchart or transition diagram Social Impact Statement for Early Design Review Describe the new system and its benefits Convey the high level goals of the new system. Identify the stakeholders. Identify specific benefits Social Impact Statement for Early Design Review (cont.) Address concerns and potential barriers Anticipate changes in job functions and potential layoffs. Address security and privacy issues. Discuss accountability and responsibility for system misuse and failure. Avoid potential biases. Weigh individual rights vs. societal benefits. Assess trade-offs between centralization and decentralization. Preserve democratic .

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