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Project 4: User interface for logging food intake and activities. Muhammad Zaman, Warren Trinh, Thanh Le, and Christine Liang. What is it?.

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project 4 user interface for logging food intake and activities

Project 4: User interface for logging food intake and activities

Muhammad Zaman, Warren Trinh, Thanh Le, and Christine Liang

what is it
What is it?
  • The project that we are working on is an online application where users can register their daily diet information and physical activities into a calendar log.
  • The application will allow diabetics to track their progress and provide notes on how to improve their diet. 
  • Our primary focus is to test the application for usability issues and suggest ways to improve the app. 
  • We are also assigned the task of improving the look and feel of the site by changing the CSS.
usability heuristic problems
Usability/Heuristic Problems
  • There was no way for the user to delete and edit meals/ meal items / activities 
  • User had to search the exact name of an item to search for it
  • There was no way for the user to check what meals have been added beforehand
  • The website did not provide significant feedback to the users
  • The site is incomplete and the glucose functions that the diabetic user would need are not supported
usability research methods
Usability Research Methods
  • Two Iterations of Usability Testing
  • 12 users in total
    • 8 users for first iteration
    • 4 users for second iteration (two returners)
    • At least 1 Diabetes Patient per iteration
  •  Target User
    • Type 2 Diabetes Patients (Primary)
    • Dieters
    • Nutrition/Health Enthusiasts
  • 30-40 minutes
  • Background Questionnaire
  • Pre-Test Interview
  • "Think Aloud" Testing
  • Post Test Interviews
pre test interview
Pre-Test Interview
  • Initial impressions of the interface
  • Expectations from the options on the website
  • Is the terminology understandable?
  • Rate the ease of use based on initial impressions
think aloud testing
"Think Aloud" Testing
  • Hardware/Software:
    • Laptop
    • Screen capture software
    • Microphone
    • Webcam to capture facial expressions
  •  Present various scenarios for the user to complete
    • Between 5 and 10 scenarios 
    • Always the same set of scenarios for each user
tasks
Tasks
  • Meals
    • Create a meal with items: new item, search DB items, find info, create new quantity
    • Create a meal with text description
    • Search an existing meal
    • Edit a meal
    • Delete a meal
  • Activities
    • Create an activity
    • Search existing activities
    • Edit activity
    • Delete an activity
  • Glucose
    • Add Glucose
    • Edit a Glucose entry
    • Delete a Glucose entry
  • Review Diary
    • Add a new guide
    • Edit the guide
    • Review data from a specific date
  • Search - TBD
post test interview
Post-Test Interview
  • System Usability Scale

(Sample question will not actually be used, only the format will.)

  • Follow up questions about observations made during the "think aloud" testing phase
contacting users
Contacting Users
  • Recruiting through word of mouth
    • Close friends who are within the target user group
  • Flyers for volunteers
    • Only if necessary
  • Provide incentives in the form of Starbucks gift cards.
project timeline
Week 2:

Initial Heuristic Analysis - Everyone

Brief Usability Protocol - Everyone

Look over CSS code - Thanh and Warren

Week 3: 

Heuristic Analysis Document - Muhammad and Warren

Usability Protocol - Christine

CSS Documentation - Thanh and Warren

Week 4:

Initial Presentation (4/20)

Iterate Usability Protocol - Christine

Interim Heuristic Analysis 2.0 - Muhammad

Recruiting - Muhammad and Christine

Week 5:

Usability Testing - Everyone

Recruit for Round Two

Week 6:

Implement of Changes - Client

Analyze Data - Everyone

Redoing Usability Protocol - Christine

Preparing for 2nd Round of Testing

Week 7:

Interim Presentation (5/9)

Usability Testing Round Two- Everyone

Week 8:

Final Implementation of Changes - Client

CHI Presenation - Client

Week 9:

 TBD

Week 10:

Final Presentation (5/30)

Project Timeline
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