Describe three principles of direct manipulation Give four benefits of direct manipulation. Also list four problems...

Describe three principles of direct manipulation
Give four benefits of direct manipulation. Also list four problems of direct manipulation.
Choose a software system (or a web page) that you think will benefit the users if it employed the principles of direct manipulation. Illustrate some of the operations under the direct manipulation scheme

Expert Solution

Direct manipulation is the process which lets the users to act on the objects which are displayed on the screen, and make potential use of the objects to achieve the operation intended. The actions taken are immediately seen and are visible by the user. Direct manipulation replaced the command line interfaces which used only commands to achieve operations.

The three principles of direct manipulation are:

Direct manipulation is based on selecting, interruption and also visible performance of the objects according to user actions.
Direct manipulation works by immediately displaying the action/selection, working fast and incremental
Direct manipulation selections using pointing action without using command line interface

The benefits of Direct manipulation are:

a) Letting the beginners learn quickly

b) Easier for the user to remember operations and concepts

c) User friendly actions

d) Users can find their actions more easily

The problems of direct manipulation are:

User interface may also confuse users who are not used to its operations
Commands can be more efficient and faster than using user interface
Design of the objects may mislead the users
Users have to know the meaning of the displayed images in the objects

venereology answered 1 year ago

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