UCD Testing Srategies Flashcards
Observation advantages
Help unveil usability issues
Tested under conditions of use
Observation disadvantages
Data may be difficult to analyze
Questionnaire advantages
Cheap
Large numbers of questionnaires can be administered + easy to administer
Can be sent to wide local, international, etc.
Questionnaire disadvantages
Static
Only people interested will fill out the questionnaire
Field Research advantages
Gain first hand knowledge and experience
Obtain detailed data of the people and processes
Field Research disadvantages
Data will be narrow
Relationship needs to be established between interviewer and client, emotionally taxing
Methods of extremes advantages
Great number of users can be accommodated
Methods of extremes disadvantages
Sensitive for large groups to be involved
Focus groups + interviews advantages
Dynamic
Body language can be observed
Clarifying questions can be asked
Focus Groups + interviews disadvantages
Expensive as interviewees have to be compensated
Small sample size may not be truly representative
Moderator bias
Affinity diagramming for potential solutions advantages
Simple
Cost effective
Easy to get data from a group
Affinity diagramming for potential solutions disadvantages
Time consuming
Can get large
Natural environment advantages
Is able to test the product in the intended environment
Natural environment disadvantages
Biased opinions
Mainly quantitative data is collected
Usability laboratories advantages
Controlled environment can ensure the product is being used as it was intended
