####human-computer-interaction
#####Needfinding
what do people do&&values and goals&&how these activities embedded
######interviewing
choosing participants(representation of target users,such as stakeholders , current user of a similar system, non-users).
what are good questions?
open ended<—–>too large interesting is important.
questions to avoid(1:what they would do\like\want in hypothetical situation;2:how often;3:how much do you like on an absolute scale;4:avoid binary quesitons)
######survey
######diary observation
give people a diary notebook or a structured task or camera,voice…
######experience sampling
lead user(they will make their own solution before they get one)
extreme users(can be extreme in all directions)
#####Rapid prototyping
######storyboard:(focus on performing, what happening in key time)
A:setting(people involved, environment, task being accomplished)
B:sequence(step involved, what leads someone to use the app, what task is being illustrated)
C:satisfaction(motivation, what does it enable people to accomplish, what needs does the system fill)
######wizard of oz(make an interactive application without code)
video prototyping (cheap and fast)
#####Heuristic Evaluation
find problems and before user testing
find a set of people—->some heuristic principles—–>look for problems