- In which environment direct or indirect manipulation is more effective?
- What are the advantages of direct manipulation in dialog design?
- What are the 3 principles of direct manipulation?
In which environment direct or indirect manipulation is more effective?
The most successful of those interaction styles has been direct manipulation (see Fig. 1a). This kind of manipulation provides the user with the artifacts to manipulate directly a graphical representation of an application.
What are the advantages of direct manipulation in dialog design?
Direct manipulation systems have the following characteristics: Visibility of the object of interest. Rapid, reversible, incremental actions. Replacement of complex command language syntax by direct manipulation of the object of interest.
What are the 3 principles of direct manipulation?
Concepts and critique of DMI
Major concepts upon which DMI is based include: Nelson: principle of virtuality (manipulable representation of reality) Rutkowski: principle of transparency (user concentrates on task while tool disappears) Hutchins: direct involvement with world of objects instead of through intermediary.