Page 54 - PELAPORAN SEMINAR i-IMATEC
P. 54
memory. She also stressed that a person’s attention’s resources are very limited. The
speaker then went on to explained in detail the cognitive workings in a person on how
they perceived and accept view the services presented in the website. From there, the
speaker zoomed in on the understanding of the three type of processors that a human
has which are perceptual processor, cognitive processor and motor processor which
plays a role in determining the acceptability of the person towards the web services
offered in a website. She also highlighted the positive and negative points commented
by the website users by citing examples from Malaysia Digital Economy Corporation
(MDEC) and Federal Emergency Management Agency (FEMA). Some of the mental
issues raised for the website design are:
a. What mental model might you expect the user to have?
b. What mental model should they have?
c. How should you convey an appropriate mental model to the user?
d. How should you design the interface to reflect the mental model?
e. How do you represent the mental model?
In order to overcome these mental issues, the speaker recommended that web
services offered in the website be measured against Norman’s Action Cycle to
determine how wide is the gulf between the Gulf of Execution and the Gulf of
Evaluation. The wider the gulfs illustrate that the lower the achievability of the goals.
As a matter of fact, the amount of efficiency required by the user to achieve the goals,
and the satisfaction level that the user feels when they use the portal are the main
objectives that a website should have.
Besides that, the usability attributes in a website are best correlated with the LEEERS
Model, whose attributes are:
a. Learnability – Time and effort to reach proficiency
b. Effectiveness – Accomplishing goal-directed tasks to criterion performance
c. Efficiency – Level of performance relative to resources
d. Errors – Errors committed, and how to design for recovery
e. Retention – Memorizing a system for better performance next time
f. Satisfaction with the experience – User attitude during and after use
Furthermore, the user’s experience goals towards a website are satisfying,
entertaining, aesthetically pleasing, fun, helpful, rewarding, enjoyable, motivating and
39

