--- title: Interviews sr-due: 2022-04-22 sr-interval: 30 sr-ease: 247 --- #review #### Review questions 0. what type of questions should you avoid 2. when/how are interviews used in needfinding 2. when/how are interview used in requirements elicitaion 3. when/how are interviews used in evaluating designs --------------------------------- # Interviews ## Use Cases - [Evaluating designs](content/notes/evaluating-designs.md) - [Requirements elicitation](content/notes/requirements-elicitation.md) - [Needfinding](content/notes/needfinding.md) ## Overview - direct and stuctured - semi structured - usually top down - effective for high level interface evaluation - need careful planning, experts, difficult to analyse - not a controlled experiment technique ## Conducting an interview ### Choosing participants - some is better than none - get pople who are representive of users - users of existing similar system - non-users -> why people arent using a system - e.g., lecture support system - teachers - students - staff - admins - parents - freshman - phd - international domestic - stronger and weaker #### Recruiting - Craiglist (in US) - your network - cheaper for less speciales users - if you can convince people you are imporving the world they might volunteer - if they think is is for profict they will expect to be paid - if you cant pay -> you cant use a token of appreciation ### Process - introduce yourself explaint he purpose - the interview is about them, not you? - begin with open, unbiased questions-> then follow up - ask the questions, and let them answer - have breaks and give them time - have a clear separation between the general introduction, the actual interview, and post inteview discussions ### Questions to avoid: - leading questions - what would they do / like / want in a hypothetical scenario - how often they do things - how much they like things on an absolute scale - avoid binary questions ## Pros/cons + free and open answers + sense of active contribution + oppportunity for follow up - time consuming and resource intensive - dependent of commication skills of analyst - location/schedule can make this impractical