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HCI in the curriculum

HCI in the curriculum. The human The computer The interaction Design Principles/ Guidelines Interface Implementation Evaluation Example systems and case studies. What is HCI. HCI is the study of interaction between human (users) and computers.

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HCI in the curriculum

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  1. HCI in the curriculum • The human • The computer • The interaction • Design Principles/ Guidelines • Interface Implementation • Evaluation • Example systems and case studies

  2. What is HCI • HCI is the study of interaction between human (users) and computers. • The interaction between user(s) and computer(s) is achieved via an interface – user interface

  3. Definition of HCI • A workable definition is • “A set of processes, dialogues and actions through which a human employs and interacts with a computer” • A focus on the research themes • “A discipline concerned with the design, evaluation, and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them”

  4. Dissect(more) HCI definition

  5. Dissect(more) HCI definition • Human • Users, single, group working together, sequence • Users(s) tries to complete a task • Computer • Technology, not just desktop computer • Systems • Large scale computers • Process control • Embedded systems • Interaction • Communication, direct/indirect • Dialogue + feedback / batch • Task oriented

  6. Key concepts of HCI • Usability • Cognetics- locus of attention • Affordance • What sort of operations and manipulations can be done to an object • Crucial is the perceived affordance • Visibility • Mapping between controls and effects should be sensible and meaningful • feedback • Task orientation- fit, analysis

  7. First principle of HCI (Usability) • useful • Accomplish what is required (functional, does things) • usable • Do it easily and naturally without error (does the right things) • used • Make people want to use it (be attractive, acceptable to organization)

  8. Why do we need to understand Humans in HCI • Humans are limited in their capacity to process information. • This has important implications for design • Interacting with technology is cognitive • Human Information Processing is referred to as cognition

  9. User Phycology in HCI • Helps identify target for design • Helps explain success or failure of design • Provides little prescriptive guidance for design • Provides prediction of human performance

  10. Key publication (The psychology of human computer interaction 1983 Card et al.) • The subject of this book is • “A scientific phycology should help us in arranging the interface so it is easy, efficient and error free- even enjoyable”

  11. The human • Information i/o … • visual, auditory, haptic, movement • Information stored in memory • sensory, short-term, long-term • Information processed and applied • reasoning, problem solving, skill, error • Emotion influences human capabilities • Each person is different

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