Value-driven design for "infosuasive" web applications

ABSTRACT

An infosuasive web application is mainly intended to be at the same time informative and persuasive, i.e., it aims at supporting knowledge needs and it has also the (declared or not declared) goal of influencing user's opinions, attitudes and behaviors. Most web applications, in fact, are infosuasive (except those whose aim is mainly operational). In this paper, we investigate the complex set of elements that informs the very early design of infosuasive web applications. We propose a conceptual framework aimed at supporting the actors involved in this process to integrate their different viewpoints, to organize the variety of issues that need to be analyzed, to find a direction in the numerous design options, and to represent the results of this activity in an effective way.

Our approach is value-driven since it is centered around the concept of communication value, regarded as a vehicle to fulfill communication goals on specific communication targets. We place the analysis of these aspects in the wider context of web requirements analysis, highlighting their relationships with business values analysis and user needs analysis. We pinpoint how values and communication goals impact on various design dimensions of infosuasive web application - contents, information architecture, interaction, operations, and lay-out. Our approach is multidisciplinary, and was inspired to goal-based and value-based requirements engineering (often used in web engineering), to brand design (often used in marketing), and to value-centered design "frameworks"(as proposed by the HCI community). A case study exemplifies our methodological proposal, discussing a large project in which we are currently involved.

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INDEX TERMS

Primary Classification:
  H. Information Systems
  H.5 INFORMATION INTERFACES AND PRESENTATION (I.7)
      H.5.4 Hypertext/Hypermedia

Additional Classification:
  D. Software
  D.2 SOFTWARE ENGINEERING
      D.2.1 Requirements/Specifications

  H. Information Systems
  H.1 MODELS AND PRINCIPLES
      H.1.0 General

General Terms:
Design, Human Factors

Keywords:
brand, communication goals, conceptual model, globalization, persuasive design, requirements, value, value-driven design, web design, web engineering