Guidelines for previewing

Safe situation Recognition

For each context vari able, we need to consider the possible consequences of the user assuming the wrong context value.

The system should provide a salient indication about risky context values.

History disclosure

Track the parameter changes and show the history of the changes of the relevant parameters

Preview situation effect

When applicable, show the users all parameters that may affect the way the system would respond to control activation

Visual cues

Apply visual cues to enable quick recognition of exceptional values. On each screen, show all information that may affect the behavior of any control on screen