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Fastfood

User research for food delivery app with usability tests, metrics, and report.

Overview

Conducting evaluative research on the Fastfood application by utilizing usability field tests and collecting quantitative and qualitative performance measures. Analyzing the data and providing a final usability report on the mobile application designed in Figma.

My Role

Tools

User Research​Heuristic Evaluation

Comparative Analysis

UX Design

Prototyping

Usability Testing

Figma

Figjam

UserTesting

Slack

Product

Mobile app redesign

Usability testing report

Timeline

11 weeks

UX Roadmap

Created participant sample & list of tasks for participants

01

Research Design

Analyzed tasks based on rate and ease of completion 

03

Task Analysis

Overall findings on error prevention, consistency and standards

05

Key Insights

Tested participants on 6 tasks based on research objectives

02

User Testing

Compared system usability with industry standards

04

SUS Analysis

Research Overview

Goals

  • Enhance the app's overall food ordering experience with the signup process

  • Increase delivery accuracy through precise geolocation

  • Enable users to place orders in groups

  • Make it easier for people to discover restaurants and food

Objectives

Allow users to complete the following tasks:

  • Sign up and create an account

  • Provide or set a location for delivery

  • Search & add an item for checkout

  • Delete their accounts

  • Place an order as a group

  • Filter the listing based on their current state of hunger, appetite, or mood

Research Design

Tasks

Tested participants on 6 tasks based on our research objectives

Setup

  • Moderated

  • Online (Zoom)

Data collection 

  • Quantitative

    • Time to complete​

    • Success rate

    • Attempts

    • SUS scores

  • Qualitative

    • Quotes

    • Pathways

    • Observations

Recruitment Screener

Quantitative Measures

Usability Average Task Completion Time

Time (seconds)

Task Usability Rating Analysis

System Usability Scale (SUS)

Findings and Recommendation

Finding #1

Recommendations

Feature onboarding tutorial and run experiments to understand group ordering use cases and redesign feature based on most desired use case

Finding #2

Recommendations

Give users the ability to filter after selecting a restaurant/cuisine

Make filter and sort by icons more perceptible

Finding #3

Recommendations

Redesign the profile page and ensure a consistent hierarchy of elements are present

Ensure all elements are in a list

key Insight

From a business perspective, make deleting the account more difficult and possibly suspend the account for 2 weeks

Main Takeaways

Error Prevention

Confusing features:

  • Participants did not understand and wanted instructions/walkthroughs for group ordering and user profile features​

Security and Privacy

Lack of information about protection:

  • Users were concerned about using “locate me” feature as well as how their payment information would be protected if used in another app

Match between real world and system

Counterintuitive icons:

  • Users showed some confusion regarding the meaning of icons throughout the app

Consistency and Standards

User-approved design:

  • Users found most tasks relatively easy to perform and found the interface similar to delivery apps (and apps in general) they had used before

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