Usability test and classical research

  1. 3 Differences between usability test and classical research (experimental design)

 

Classical Research Usability Testing
– focuses on

the relationship between two or more

variables.

Delivers a system that is

usable by the population in specific tasks

Aims to find new knowledge Aims to improve products
Needs many participants Require few participants
Use of statistical methods for data validation Obtained results are used to improve design or system further
Scientific breakthroughs and outputs are presented to the community Results gathered are directly reported to developers to modify and improve their work
Usability testing allows the creators to see the flaws in their system.
This is useful in the evaluation of tools and designs.

 

 

  1. What 3 things we did for our usability test that should not do in real would usability test?

 

  1. What do you think of it, your first impression?
  2. What do you like or do not like about the page?
  3. What are your thoughts about it?

 

  1. What is the minimum number of users u should have for usability test?

 

The minimum number of users should be two.

 

  1. What is the approach number of users u should have for usability test?

 

The most recommended number of users should be five.

 

  1. Another one was expert reviews from most used to least used wit a example of each one.

 

Expert reviews assess the design if it complies with heuristics and usability guidelines. Some aspects also include human and computer interaction, the psychology involved, and the reviewer’s personal expertise in the field. An expert reviewer must have experience on the area and be competent in its usability principles.

 

  1. 2 examples of each formative vs summative. paragraph D of section 508. Stylesheets.

 

Formative assessments evaluate the performance of an individual throughout a course, what he or she has learned.

 

Summative assessments evaluate how much an individual has learned from the course.

 

  1. 3 things u should inform users of before taking the usability test.

 

It would be best if you informed your users about:

  • What are we testing? This refers to what precisely are the users testing.
  • Why are we testing? This refers to the goal of the test and its importance.
  • How are we testing? This refers to the methodology of the test.
  1. the delta vs airarik site from a heruistiric approach we did in class.

 

Match between system and the real world

 

This refers to information that is presented in a natural and logical order to connect with users. A system must be set to the user’s language that is easy to understand. Real-world conventions must be followed.

 

Error prevention

 

            This refers to the degree that a system is capable of protecting its user from committing errors. A system must be designed to aid its user from committing errors.

 

Aesthetic and minimalist design

 

This refers to a system that is fit for a human brain. The human brain has a limited capacity to absorb information. Therefore, a system needs to consider presenting data from chunks into smaller bits of data at a time.

 

  1. Who or what is being tested in usability testing.

 

Usability testing evaluates a product through sampling some users to test it out. The participants in the test will perform tasks while the research conductors observe. Through usability testing, real users help research to further assess the capabilities of a product and areas of improvement.

 

  1. what are the characteristics of a representative user.

 

This answer is computer skills. Education level. Age range. Job responsibility.

 

 

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