Background

Community Test Labs enables easy test reporting. It helps the CDC analyze COVID-19 trends effectively. It is a mobile application.

Goal

Testing identifies user difficulties, making app navigation smoother. It ensures accurate test submissions, supporting public health efforts

Methodology

Approach

Participant Selection

Statistical Overview

We employed Maze to quantify usability issues. This method highlights problems for stakeholders clearly.

Selected participants with recent, direct COVID-19 experience for app context relevance.

In the study, statistical analysis was anchored on establishing confidence intervals, employing the geometric mean for central tendency, and applying both the two-sample t-Test for comparing means and the Adjusted Wald test for binomial distributions.

Usability Testing

Benchmarking success involved integrating quantitative data with qualitative feedback

Metrics

Task 1

Wave 1

Wave 2

Create an account and submit positive COVID-19 test result

Scenario: Your objective is to register an account within the Community Test Lab mobile app. By providing your information, the app will have the capability to store this data, ensuring it is readily available for future test reporting purposes.

Task 2

Check the monthly severity of COVID-19 in Alabama

Scenario: You are interested in understanding the severity of COVID-19 in Alabama by month. Please show us how you would find this information on the app.