CMSC 20370/30370 Winter 2020 Building Trust/Rapport For Need- - - PowerPoint PPT Presentation
CMSC 20370/30370 Winter 2020 Building Trust/Rapport For Need- - - PowerPoint PPT Presentation
CMSC 20370/30370 Winter 2020 Building Trust/Rapport For Need- Finding Case Study: Low Income Users Jan 27, 2020 Quiz Time (5-7 minutes). Quiz on Tough Times at Homeless Shelters Principles of Good Design Administrivia GP1 due on Friday
Quiz Time (5-7 minutes).
Quiz on Tough Times at Homeless Shelters
Principles of Good Design
Administrivia
- GP1 due on Friday
- GP1 presentations on Wed, Friday, and
Monday
- Monday will also be midterm review
- Let us know if there are any issues
around midterm (accommodations etc)
Today’s Agenda
- Building Trust and Rapport
- Need finding: Creating field materials
– Screening and Recruiting – Interviewing Basics – Survey Basics
USER NEEDS DESIGN/PROTOTYPE IMPLEMENT EVALUATE USER-CENTERED DESIGN
Case Study: Tough Times @ Homeless Shelters
- Financially vulnerable users
- Based on interviews with 18 residents
and staff at homeless shelters in San Francisco
- Focus on Security and Privacy (S&P)
- Limitations
– Shelter in wealthier neighborhood – Housing offered for several months
Findings
- Four main tough times challenges:
- 1. Limited financial resources
- 2. Limited access to reliable devices and the
internet
- 3. Untrusted relationships
- 4. Ongoing stress
Analysis - Thematic Coding
- Codebooks and interviews
Map from each finding to a design implication: How do we do this?
- 1. Limited financial resources
- Storage and data consideration
- 2. Limited access to reliable devices and the
internet
- Critical S&P flow
- 3. Untrusted relationships
- Revoke undesired account access or undo
actions
- 4. Ongoing stress
- Secure defaults
Case Study Habits of Note: Working with existing shelter
- Rather than recruit homeless
- Work with existing shelter
- Always try to work with trusted NGO or
partner that is familiar with community
- Can take years to build trust
- A lot of rapport/trust is just showing up
- See Marsden reading in week 1
Case Study Habits of Note: Setting Expectations
- Be upfront about motivations and
expectations
- Make sure the project end is well
defined and known
- Separate personal and professional
So how do I find user needs?
Determine target audience
- Pick audience
– Do what your product supports/behavioral – Technological profile – Demographics
- Which segments to focus on
- Experience with product
- Experience with competing product
- Single group/multiple groups
- Avoid certain characteristics
Find the audience
- Mailing lists/traditional forms
- Existing contacts/friends + family
- Snowball recruiting
- Essentially, fine line between harassing
people and recruiting at times!
Examples
Examples
Where else could we look?
- Think creatively
- Change strategy if its not working
- Think about incentives
- Use existing networks where you can
Screeners
- Examples from my research:
– Do you have at least two computers connected to the Internet? – Do you have wireless Internet connectivity? – What kind of router do you have? – What kinds of operating systems do you have
- n your computers?
- Short to the point
- Ensures you screen out irrelevant people
In class exercise – Case Study: Tough Times Screener questions
Who is in or out for this study? What questions should we ask? How many should we ask?
Scheduling participants
- Scheduling example of steps
– Steps
- Invite primary candidates
- Receive responses + schedule
- Invite secondary
- Receive responses + schedule
- Confirm primary
- Confirm secondary
- Send thank you to unscheduled
- Confirm before meeting time
- Have schedule of everyone
- Direct people to right place
In practice
@williamhartz
Recruiting pitfalls
- Pitfalls
– Wrong people – No shows – Bias – Anonymity – Building and space preparation – Professional recruiter
- Needs list of what you need, how to screen +
cost money
Getting informed consent
Interviewing Basics
- Interviews
– Interview structure
- Intro
- Warm up
- General
- Deep
- Retrospective
- Wrap up
Non-directed interviewing
- Non directed/non leading
- Neutral interviewer
- Questions
– Immediate experience – Avoid judgmental language – Focus questions on single topic – Keep open ended – Avoid binary questions
Interviewing Questions Examples
- Do you use your Android phone on
campus?
- Good or Bad?
- Why?
- Better
– Tell me about the kinds of things you do with your Android phone on campus
Interviewing Questions Examples
- Unlimited data plans on smart phones
are really useful, do you agree?
- Good or Bad?
- Better?
– What do you think about unlimited data plans on smart phones?
Interviewing Questions Examples
- How do you use your smart phone at
home and at work?
- Good or Bad?
- Why?
- Better?
– Split into two
- How do you use your smart phone at home?
- What kinds of things do you use your smart
phone for when you’re at work?
Interviewing Questions Examples
- We’ve developed a new app that allows you to sms
your questions directly to your professors phone and get answers at all times of the day and night? Is this interesting to you?
- Good or bad?
- Why?
– Better – What technologies do you currently use to ask your professor questions? – When do you usually send your professor these questions? – If there was an ideal app to assist you with sending questions to your prof, what would you want it to do?
Tips
- Define terms
- Don’t force opinions
- Restate answers
- Follow up with examples, wait for non directed
answer first
- Use artifacts to keep people focused
- Be aware of expectations
- Never say participant is wrong
- Listen
- Keep it simple
- Write it all down
Interviewing pitfalls
- Pitfalls
– Loaded words or ambiguous words – Asking folks to predict future – Invoking authority/peer pressure – Assuming they can answer the question – People don’t say what they believe – They will answer diff question to one asked – Record – video, audio, photos
Surveys
- What is it?
– Tool to find out who your users are and what opinions they hold – Allows large group of people to describe themselves, their interests, and their preferences in structure way
- When to conduct a survey?
– Could be when you have existing product to understand current user base i.e. profile survey – Could be to check before redesign i.e. satisfaction survey – Could be to see what people find important i.e. value survey – Often better after some initial qualitative research (observations, field studies, focus groups, interviews) – Can also do surveys over time, pre/post, tracking surveys – Can follow up with qualitative research
How to set up a survey
- Let’s say you want to assess how staff at other
homeless shelters deal with S&P issues for their residents?
- Setting the schedule
– Includes time to write and test questions, recruiting, and fielding it
- Writing the survey
– Brainstorm questions – Survey goals
- Descriptive – profile the audience, summarize audience
composition
- Explanatory – explain peoples beliefs and behaviors
Write the questions
- Unlike interviews most closed ended
- Multiple choice question
- Checklist
- Specific, exhaustive, mutually exclusive
Types of questions
- Characteristics– describe who someone
is
- Behavior – describe how someone
behaves
- Attitudinal – describes what people want
and believe
Characteristic categories
– Demographic – who are the respondents (age, gender, income etc.) – Technological – ask about digital setup and experience
Ques0on Instruc0ons Answers Reasons How many years have you worked at your shelter? Please select one of the op0ons below Radio buAons for no of years Find out how long they have been employed at the shelter What is your job descrip0on? Please select one of the op0ons below Radio buAons Staff Counselor Other Find out what their role is in the shelter
Behavior categories
- Technology use – how they (and
residents) use the technologies you care about Ques&on
Instruc&ons Answers Reasons What devices do your residents typically have? Please check all that apply Checkboxes Mobile, tablet, laptop, smartwatch, etc Find out what technologies their residents use
Attitudinal categories
- Satisfaction – do they like their current
technology setup?
- Preference – what do they find most
compelling about the current setup?
- Desire – what would they like to be
improved?
Ques&on Instruc&ons Answers Reasons How sa0sfied are you with your laptop for helping shelter residents? Please rate your sa0sfac0on according to the following scale Likert scale 1 – totally unsa0sfied 5 – totall sa0sfied Find out how happy they are with current system for specific features
Edit and order the questions
- Have an introduction, beginning, middle,
and end
- Instructions
– Emphasize that the survey is important – What it is for – Why peoples answers are safe – What the reward is – Who is responsible for the survey – How long the survey is running – Who to contact with questions
- Question instructions
Lay out the report
- Goals, methods, how you’re running
things
- Especially in research, doesn’t hurt to
start early
- Recommended for your group project
reports too
Testing an online survey
- Error checking
- Functionality
- Usability
- Timing
- Mortality
- Response rate
- Test the survey
- The incentive
Fielding the survey
- Sample – people who fill out the survey
- Sampling frame
– Subset of the group of people your sampling method can put you in contact with – Ideally matches the whole of your target population e.g. people who work at homeless shelters – If not, can be inaccurate or misleading
Sample and Sampling Frame
Target Audience Sampling Frame Sample
Slide from Ken Fleischmann, UT-Aus0n
Population and Sample Size
1000 150
Slide from Ken Fleischmann, UT-Aus0n
Population and Sample Size
10,000 300
Slide from Ken Fleischmann, UT-Aus0n
Population and Sample Size
100,000 800
Slide from Ken Fleischmann, UT-Aus0n
Sampling Bias
Target Audience Sampling Frame Sample
Slide from Ken Fleischmann, UT-Aus0n
Bias
- When people you thought would respond are
not members of target population
– i.e. people not working at a homeless shelter, residents at a homeless shelter
- Non responder bias
- Timing bias
- Duration bias
- Invitation bias
- Self selection
- Presentation bias
- Expectation bias
Field the survey options
- Invitation
- Invitation link
- Random selection
- Telephone in person and standard mail
surveys
Survey Pitfalls
- People want everything
- People exaggerate
- People will choose answer even if they
don’t feel strongly about it
- People try to outguess the survey
- People lie
- Can use attention check questions to
mitigate
Summary
- Not always easy to map from user needs to design
- Important to build rapport and trust with target
community and users
- Set expectations for all parts of the project
- Need-finding for inclusive tech often depends on
interviews and surveys
Coming up next class
- Project Proposals begin
- Feel free to offer other teams offline