--- title: Needfinding sr-due: 2022-04-09 sr-interval: 18 sr-ease: 270 --- #review --- #### Review questions 1. what is participant observation 2. what are interview, what are their purpose 3. what are longitudinal studies. when are they used --- # Needfinding how to start imporving or designing inerface how to identify the gap or use interface issues needdfinding tries to identify issues, often through observational studies (qualitative) > "the trick [challenge] to finding ideas is to convince yourself that everyone and everything has a story to tell" > "The other trick if finding out the difference between power and knowledge. You dont start at the top if you want to find a story, you start in the middle. Because its the people in the middle that do the work" > "self conciousness is the enemy of interestingness" > -malcolm gladwell ## Methods - Participant [Observation](out/notes/observation.md) - Apprenticeship - set a partnership with the people to be observed - be taught the steps in the process - observe the practives - validate what you are observing with those observed as you go along - e.g., - apprenticeship is eVision user - task: find in which room INFO203 is - problem: I do not have a timetable in eVision like students - allows you to capture the context of use and the issues and needs - what do people do now - what values and goals do people have - how are these particular activities embedded in the larger context - similarities and differences across people - other types of context that are relevant -> time of day, social context - [Interviews](out/notes/interviews.md) - avoid leading questions - choose sample representative of real users - often impractical - can be structured or semi-structured - effective for high level - Longitudinal studies - sporadic use -> when the product is used rarely - used when you cannot use observational studies - diaries - scale better than direct observation (less time consuming) - give people a diary to copmlete - structred task - can use journals, camera, voice, video - tailor the recording to the context - may require practice, training, reminding - use of ntifications, digital calendars, phone calls - Experience sampling - use txt, phone calls , calendars, notifications to recieve feeback or actively remind people - choose interval depending on study context