좋은 베이스라인 :https://ecologylab.net/research/publications/LiveMacheCHI2018.pdf
case study
formative study: Formative studies are conducted during the development process in order to understand user behavior, diagnose specific problems, and improve design.
user study
- Motivation
- 기존 video 보다 interaction media가 더 좋다는 사전 연구로 backup - or Evaluation
- measure self-efficacy (learning gain) - 부가적인 요소 (user satisfaction)
- inductive 하게 (/ deductive 하게)
- 지금은 heuristic → 많은 case → 공통적인 것들을 뽑아내서 → 통합된 Design
