Please Answer the 4 Quastions

timer Asked: Feb 2nd, 2019
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Question Description

Why is it important to understand tradeoffs between usability measures for various kinds of systems?Explain by describing usability motivations for Industrial systems and Life Critical systems.


What is an interaction style and what is its role in effective interface design? List and briefly describe any two advantages and disadvantages of each interaction style.


Let’s suppose that you have in charge the task of developing interfaces for an interactive system (web site, mobile application, etc.).

Sketch out the main steps that you would ultimately include in your design process.


Usability testing is a significant aspect for effective interface development. List and briefly describe any four methods of usability testing.

N.B. The question asks about methods of usability testing not tools used in usability testing (surveys are an example of tools).

Tutor Answer

School: UCLA

Attached is the complete work, have a look and feel free to ask for any clarifications. Thank you

Question 1
Security and usability are significant features when designing a system or computer software,
therefore there is an importance for a system designer to understand the tradeoffs usability
measures. First, the significance behind understanding the tradeoffs between usability
measures is to ensure efficiency and authenticity. For instance, usability always affects
security in various systems which aim to guard data privacy. In industrial systems there is
need to understand usability measures to ensure that a system effectively perform a task
according to the user's wants. In life critical systems, designers should understand usability
measures to ensure that they come up with designs which meet their need and protect them
from any harm. For instance, designers should consider the needs of people with disabilities
by understanding the tradeoffs between usability measures.
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Thanks, good work

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