Naturalistic Observation (least interactive)
Observe the users
Survey
Self-report questionnaires
Close-ended items
Likert scales
Ranks
Open-ended items
Opinions
Focus Groups
Formal conversations with 5-7 users
Interviews (most interactive)
One-on-one interactions with the users
Formative evaluation conducted early on in the design process with low-fidelity prototypes Summative evaluation conducted with high-fidelity prototypes or final interface The type of data we collect i
The goal of a novel design: will be better at meeting the needs of the users than the existing design Prototype: an early model of the novel design; manage resources; iterate on the design Low fidelit