Heuristic Evaluation for User Experience Design: Analyzing BigBasket's UI, Slides of Design

An analysis of BigBasket's user interface using heuristic evaluation, a method developed by Jakob Nielsen for identifying usability problems. The evaluation covers various heuristics such as visibility of system status, match between system and real world, user control and freedom, consistency and standards, error prevention, recognition rather than recall, flexibility and efficiency of use, aesthetic and minimalist design, and help and documentation.

Typology: Slides

2021/2022

Uploaded on 09/27/2022

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Prof. James A. Landay
Computer Science Department
Stanford University
Winter 2022
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DESIGN THINKING FOR USER EXPERIENCE DESIGN + PROTOTYPING + EVALUATION
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DESIGN THINKING FOR USER EXPERIENCE DESIGN + PROTOTYPING + EVALUATION
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Heuristic Evaluation
February 14, 2022
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Prof. James A. Landay

Computer Science Department

Stanford University

Winter 2022

dtdt ++^ UXUX DESIGN THINKING FOR USER EXPERIENCE DESIGN + PROTOTYPING + EVALUATIONDESIGN THINKING FOR USER EXPERIENCE DESIGN + PROTOTYPING + EVALUATION

Heuristic Evaluation

February 14, 2022

Hall of Fame or Shame?

Big basket

From Bharti Bhagtani

https://uxdesign.cc/heuristic-evaluation-of-
bigbasket-application-4a69f43be47d

ā€œIndia’s largest online supermarketā€

dtdtdtdtdt +++++UXUXUXUXUX

Prof. James A. Landay

Computer Science Department

Stanford University

Winter 2022

dtdt ++^ UXUX DESIGN THINKING FOR USER EXPERIENCE DESIGN + PROTOTYPING + EVALUATIONDESIGN THINKING FOR USER EXPERIENCE DESIGN + PROTOTYPING + EVALUATION

Heuristic Evaluation

February 14, 2022

Outline

  • Heuristic Evaluation Overview
  • The Heuristics
  • Team Break
  • Exercise

Evaluation

  • About figuring out how to improve design
  • Issues with lo-fi tests? Not realistic - visuals & performance Not on actual interface - can’t test alone Need participants - can be hard to find repeatedly

Heuristic Evaluation

  • Developed by Jakob Nielsen
  • Helps find usability problems in a UI design
  • Small set (3-5) of evaluators examine UI
    • independently check for compliance with usability principles (ā€œheuristicsā€)
    • evaluators only communicate afterwards
      • findings are then aggregated
    • use violations to redesign/fix problems
  • Can perform on working UI or on sketches

Heuristics

H1: Visibility of system status H2: Match between system & real world H3: User control & freedom

Heuristics (cont.)

H4: Consistency & standards H5: Error prevention H6: Recognition rather than recall

Heuristics (cont.)

bad

H8: Aesthetic & minimalist design

good https://icons8.com/articles/redesigning-boarding-pass-again/

Heuristics (cont.)

H9: Help users recognize, diagnose, & recover from errors bad

Good Error Messages

  • Clearly indicate what has gone wrong
  • Human readable
  • Polite
  • Describe the problem
  • Explain how to fix it
  • Highly noticeable

H10 – Help & Documentation

  • Better if the system can be used without documentation, but it may be necessary
  • How
    • easy to search
    • focused on task
    • list concrete steps http://blog.screensteps.com/10-examples-of-great-end-user-documentation

H11* – Accessible

Users can interact with the system using^ alternative input methods. Content is legible with distinguishable contrast (^) & text size. Key information is upfront & not nested for screen readers. Purely visual or auditory content has text-based alternatives for users with low vision & low hearing.

  • New heuristic that CS147 staff has added to Nielson’s 10. NY Times Spotify (lyrics mode)

H12* – Fairness & inclusion

Users shouldn’t feel that the design is not made for them. The design should meet all users’ needs equally and prevent the reproduction of pre- existing inequities. It should not create additional burdens for disadvantaged populations.

  • New heuristic that CS147 staff has added to Nielson’s 10.
https://www.theverge.com/2021/11/16/22785163/
digital-health-physical-activity-inequity

Western, M.J., Armstrong, M.E.G., Islam, I. et al. The effectiveness of digital interventions for increasing physical activity in individuals of low socioeconomic status: a systematic review and meta-analysis. Int J Behav Nutr Phys Act 18, 148 (2021). https://doi.org/10.1186/s12966- 021 - 01218 - 4