|
4 - 8 participants
assessment/ verification
task/action oriented
one-on-one interaction
results based on observation
|
8 - 20 participants
early stages of development
representative users
facilitator - group interaction
opinions and feedback
|
50 - 1000 participants
used any time in cycle
broad-base of users
no direct interaction
statistically significant feedback
|
4 - 8 participants
assessment/ verification
task/action oriented
remote interaction by phone and video
variable results
|