HCI Working Blog

Posts tagged ‘Options’

QOC

How about Questions, Options, Criteria?

Q1: How about note input?
O1: Vectors (Drawing),  note keys (Cover, Glove)
C1: efficiency, hardware dependence, piano experience

Q2: Ease of use without being able to see?
O2: Braille alphabet, sensing button limits
C2 : effectiveness, usability, easy to learn

Q3: How about getting feedback from the application?
O3: Audio  instructions/responses, haptic feedback, vibration on errors/alerts
C3: user satisfaction, effective communication, trust and security

Q4: How about getting used to (or learning to use) the application?
O4: Audio tutorial, previous experience with real piano keys, Braille alphabet knowledge
C4: accessibility, user satisfaction, learnability

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