1 L545 Systems Analysis & Design Week 3: September 16, 2008
SLIS S556 2 Announcement Problem Definitions will be posted on Oncourse (Forum) for potential group projects Add your profile in Oncourse
SLIS S556 3 The Core Premise of Contextual Inquiry Go where the user works, observe the user as he or she works, and talk to the user about the work
SLIS S Principles of Contextual Inquiry Context Partnership Interpretation Focus
SLIS S Principles of Contextual Inquiry: Context Go to the customer’s workplace and see the work as it unfolds Summary vs. ongoing experience (see HWW, p. 96—dos & don’ts) Abstract vs. concrete data (ask for specific instances; use the real artifacts) Observe the work practice
SLIS S Principles of Contextual Inquiry: Partnership Collaborate with the user on understanding his work Users are experts; we (analysts) provide tools to analyze the work situation Get feedback on design ideas Goals: articulating work structure & revising design ideas
SLIS S Principles of Contextual Inquiry: Interpretation We need to verify our interpretations with users FactHypothesisDesign
SLIS S556 8 Example of Possible Interpretations What’s your interpretation for the following observation? A user of an accounting package kept a list of account names and account #s next to her screen
SLIS S Principles of Contextual Inquiry: Focus What aspects of work matter and what don’t Project focus gives the team a shared starting point How to expand focus Surprises and contradictions Nods What you don’t know Admit your ignorance You are there to learn (the master/apprenticeship model)
SLIS S Pitfall for Design “The success rate is only 20% when technical engineers design what they think other people want” says the Intel’s chairman, Andrew S. Grove (Takahashi, 1998) Takahashi, D. (1998). Doing fieldwork in the high-tech jungle. Wall Street Journal, Tuesday, October 28.
SLIS S Success for Design What can we learn from Toyota’s design strategies described in Gertner (2007)? Cf., using ethnography in contextual design (Simonsen & Kensing, 1997).
SLIS S Design Ethnographer A social scientist who works for a technology company and studies user environments to suggest product improvements. [source]source Design ethnographer at IBM & Intel IBMIntel Mc0S1TU Mc0S1TU
SLIS S Contextual Interview Structure: 4 steps Conventional interview (introduction) Introduce yourself, get to know each other as people Get opinions about the tools, and an overview of the job and the work (summary data) Transition (set the rules)
SLIS S Contextual Interview Structure: 4 steps Contextual interview proper The customer do her work task You (the apprentice) observe, ask Qs, suggest interpretations of behaviors Be nosy Follow the user around Remember: context, partnership, interpretation, & focus Wrap-up Summarize what you learned User’s last chance to correct and elaborate on your understanding
15 Interviews
SLIS S Example of an Interview OvQIGDg4I&feature=related OvQIGDg4I&feature=related
SLIS S Designing the Interviewing Situation Normal task … is easy What about others? Intermittent task Uninterruptible task Extremely long task (e.g., years) Extremely focused task Internal mental task
SLIS S Who to Interview—how many? 1-2 people in each role you identified as important to the focus Collect data from 5-15 people in all
SLIS S Who to Interview? (HWW, p ) Diversity is an important aspect: look for cultural differences different physical situations (e.g., single- location vs. distributed locations) differences of scale (a small business vs. a large corporation)
SLIS S Group Activity Role play for Builders, PMgers, Architects, & User Reps Do not share the write-ups Meet together for the assigned role Then, form a design team Debrief
SLIS S Group Activity
SLIS S Group Activity PMArchitectBuilderUser Reps A B C D E