Profile Management

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User Profile Initialization

User Requirements

Approach & Decisions

High impact variables

Previously User interface variables have been defined, which are the basis for the basic profile parameters. It is necessary to reduce all adaptable interface variables to a defined number of variables that are presented to the user as preference settings in a first step. This is also important for the profile initialization. Even though users are willing to invest a lot of time in profile initialization it is not useful to confront a first time user with all variables.

This reduced set of preference settings will be called “high impact preferences". They are fundamental to make an interface accessible or rather perceivable. These variables/ preferences will be presented within the Discovery Aid Wizard and will be provided in the filtered view of the profile management editor.

There are different ways to identify these high impact preferences:

  • User interviews could be used to identify the variables that are adjusted by the user when accessing an interface. This approach focusses mainly on the user preferences and would lead to a high user satisfaction.
  • Common guidelines for accessibility and user interface design could be reviewed and thereof high impact variables could be deduced.
  • Interface and Accessibility experts could reduce the list of adaptable variables to a set of high impact preferences relying on their expertise.

For the first conceptual stage of the profile management development the expert approach was used to identify the high impact variables focusing on elderly users. The user can set the high impact preference variables within the Discovery Aid Wizard by selecting a proposed alternative of this variable. Within the profile management editor the preference setting can be done by adjusting to a specific value.

Workplan

Pending Issues

User Profile Management

User Requirements

Approach & Decisions

Workplan

Pending Issues

Related Pages