Kendall7E ch14

Human Computer Interface Systems Analysis and Design, 7e Kendall & Kendall â 2008 Pearson Prentice Hall 14 Learning Objectives ã Understand human-computer interaction • Know how fit affects performance and well-being • Understand the technology acceptance model (TAM) and usability • Know how to design for individuals and persons with disabilities • Understand the different types of, and reasons for, using alternative user interfaces Kendall & Kendall 14-2 Learning Objectives (Continued) • Design effective dialog for HCI • Understand the importance of user feedback • Articulate HCI implications for designing ecommerce Web sites • Formulate queries that permit users to search the Web Kendall & Kendall 14-3 Human-Computer Interaction • Awareness of HCI • Attentiveness to issues of HCI • Existence of HCI in organizational settings • Need to master the concepts surrounding HCI • Guidelines for usability Kendall & Kendall 14-4 Major Topics • • • • • • • • • Understanding human-computer interaction Fit TAM Designing for cognitive styles of individual users Physical considerations in HCI design User interfaces Dialog design Feedback Queries Kendall & Kendall 14-5 Understanding HumanComputer Interaction • Knowledge about the interplay among users, tasks, task contexts, IT, and the environments in which the systems are used comprises the basis of human-computer interaction Kendall & Kendall 14-6 Fit • The “fit” between the HCI elements of the human, the computer, and the task that needs to be performed leads to performance and well-being Kendall & Kendall 14-7 Figure 14.1 The “fit” among the human, computer, and task affects performance and well-being Kendall & Kendall 14-8 Task • Complex tasks that require human, system, and task interaction are supported by ecommerce and Web systems, ERP systems, and wireless systems inside and outside of the organization • Can be structured and routine or illdefined and without apparent structure Kendall & Kendall 14-9 Performance • A combination of the efficiency involved in performing a task and the quality of the work that is produced by the task Kendall & Kendall 14-10