usability experience

Usability requirement……

Observation and interviews with cross sections of users or user groups to identify task requirements and issues.

Usability specification……..

Definition of system and task requirements seeking validity of specification for improvement.

Usability testing……..

Test expectations through user models for  possible further modification and implementation.

Implementation……..

Co-ordination with Graphical User Interface (GUI), Software Engineering, Industrial Design, Production, Maintenance Engineering and Marketing.