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it makes the differences between performing a task accurately and completely or not, and enjoying the proses or being frustrated
determine the success or failure of a system
Poor usability…
Reduce productivity
Increase cost time and effort
The term usability engineering describes a process of user interface development, sometimes referred to as user centred design.
It is a lifecycle process that puts an early emphasis on user and task analysis and actual user involvement in the design and testing of a product.
A product developed with such a user centred process is likely to be a more usable product than one that is developed independent of user considerations and involvement.
The extent to which a prUsability oduct can be used by specified users to achieve specified goal with effectiveness, effiency and satisfication in a specified context of use
Learnability : ease of learning for novice users.
Efficiency : steady-state performance of expert users.
Memorability : ease of using system intermittently for casual users.
Errors : error rate for minor and catastrophic errors.
Subjective Satisfaction : how pleasant the system is to use.
Profile Users
Task Analysis
Usability testing (real users and real tasks)
students name:
NUR SERI ANIS BINTI ABDULLAH 10DIP11F1038
FHATIN SYAHIRRA SHEYREEN BINTI MUSA 10DIP11F1060
THURKA DEVI A/P J DAVARAJU 10DIP11F1036
NORFAEZAH BINTI ABU BAKAR 10BIP11F2018
23/1/2013