New PDF release: Activity-Centered Design: An Ecological Approach to

By Geraldine Gay, Helene Hembrooke

ISBN-10: 0262072483

ISBN-13: 9780262072489

The shift within the perform of human-computer interplay (HCI) layout from user-centered to context-based layout marks an important swap in concentration. With context-based layout, designers begin now not with a preconceived inspiration of what clients may still do, yet with an realizing of what clients truly do. Context-based layout makes a speciality of the location during which the expertise may be used -- the actions on the subject of it and their social contexts. Designers should also become aware of that advent of the know-how itself alterations the placement; that allows you to layout achievable structures, the layout procedure needs to turn into versatile and adaptive. In Activity-Centered layout, Geri homosexual and Helene Hembrooke argue that it's time to enhance new types for HCI layout that help not just examine and improvement but in addition investigations into the context and motivation of person behavior.Gay and Hembrooke research the continued interplay of desktops use, layout perform, and layout evaluate, utilizing the recommendations of task idea and comparable tools as a theoretical framework. one of the subject matters they talk about are the reciprocal courting among the instrument and the duty, how actions form the necessities of specific instruments and the way the appliance of the instruments starts to reshape the job; differing wishes and expectancies of members whilst new expertise is brought, studying specifically the combination of instant hand held units into museums and studying environments; and the influence of the format of the computing area on move, functionality, and social interplay. homosexual and Hembrooke then practice their findings at the use of expertise in daily contexts to notify destiny HCI layout perform.

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Additional resources for Activity-Centered Design: An Ecological Approach to Designing Smart Tools and Usable Systems

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Toward Reflection in Action Activity theory cautions us that any tool has the potential to transform the activity in which it is used and, reciprocally, that tools have the potential to be transformed as they are used. 6). Evaluators and designers need to document and an­ alyze uses of technology in program, settings and in evaluation activities to 14 Chapter 1 understand the mediating functions of different technologies and tools— or, to paraphrase Bonnie Nardi and Vicki O’Day (1999), to engage thoughtfully with technologies as they are used in various contexts.

Images can help focus and maintain attention (Nardi et ah, 1993; Suchman, 1987). When people talk, they continuously represent and refer to objects or things to help them achieve some level of common ground or understanding. Designing systems that improve communication and understanding must consider the purpose of a conversation in a given situation and the process by which the conversation unfolds. Conversation is first a source of data; the information communicated between participants in a conver­ sation provides the raw data with which people construct knowledge and understanding and enter into a community of practice.

Designers can incorporate sev­ Understanding Perspectives 27 eral customizable designs based on the preferences expressed in the evalu­ ation results of relevant social groups (see chapter 5). Finally, evaluators need to use various methods to discover discrepancies early in the design process and communicate these discrepancies to rele­ vant groups. If discrepancies are not uncovered, development could con­ tinue based on incorrect or incomplete visions of the needs of end-users and other stakeholders (Kilker & Gay, 1998).

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Activity-Centered Design: An Ecological Approach to Designing Smart Tools and Usable Systems by Geraldine Gay, Helene Hembrooke

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