Learning to conduct and design an experiment is a skill required to conduct research in HCI.
Signal → A variable of interest
Noise → everything else (random influences)
Criteria for approval:
Research methodology
Risks or benefits
The right not to participate to terminate participation, etc.
the right to anonymity and confidentiality
Experimental variables. Dependent vs independent variables.
We confuct research to answer and raise questions about UI designs or interaction techniques