👋🏻 Introduction
✍️ Context for prototype Task
Text Statement
🧪 Please try to [book a new hotel]
Prototype Task
✍️ Context for rating questions
Text Statement
❓ I think that I would like to use the product frequently.
Numerical Scale
❓ I found the product unnecessarily complex.
Numerical Scale
❓ I thought the product was easy to use.
Numerical Scale
❓ I think that I would need the support of a technical person to be able to use this product.
Numerical Scale
❓ I found the various functions in this product were well integrated.
Numerical Scale
❓ I thought there was too much inconsistency in this product.
Numerical Scale
❓ I would imagine that most people would learn to use this product very quickly.
Numerical Scale
❓ I found the product very cumbersome to use.
Numerical Scale
❓ I felt very confident using the product.
Numerical Scale
❓ I needed to learn a lot of things before I could get going with this product.
Numerical Scale
👋🏻 Thank you
Usability testing

Assess usability with System Usability Scale (SUS)

Ensure consistency in assessing the usability of your product by employing the System Usability Scale (SUS), a renowned metric extensively utilized for evaluating usability. Gauge the usability of your product to benchmark against other competitors and industry standards.

Study objectives

  • Assess the overall usability of your product by collecting feedback from users on various aspects of their experiences.
  • Get more in-depth to highlight specific areas where users encounter difficulties or have concerns.
  • Benchmark how your final SUS scores stand overtime and get a broader understanding of how your product fairs relative to competitors or industry standards.

Standardize usability assessment with SUS

Collect your SUS scores to understand how usable your product is

When should I run the System Usability Scale test?

The best time to run a SUS test is typically after users have interacted with your product or system for a sufficient period of time to form an opinion about its usability. It's commonly conducted at the end of a usability testing session or after users have completed a specific task or set of tasks within the product.

This allows users to provide feedback based on their actual experience using the product, rather than just their initial impressions. Additionally, running SUS tests periodically throughout the product development lifecycle can provide valuable insights into how usability evolves over time and help identify areas for improvement.

How is SUS score calculated?

SUS questions are intentionally ordered in specific order to measure the overall usability of your product. To calculate the score:

  • For odd-numbered questions, subtract 1 from each user’s response.
  • For even-numbered questions, subtract each user’s response from 5.
  • The resulted values should all range from 0 to 4 with 4 representing the most positive response.
  • Sum up the responses for each participant.
  • Multiply the total by 2.5, which would convert the range of value of 0 to 100.

What is a good SUS score?

A good System Usability Scale (SUS) score typically falls above 68. However, the interpretation of SUS scores can vary depending on factors such as the context of the study, the specific industry or domain, and the goals of the product or system being evaluated.

Generally, scores above 68 indicate above-average usability, while scores below 68 suggest room for improvement. It's important to compare SUS scores against industry benchmarks or previous iterations of the product/system to gauge progress and identify areas for enhancement.

Getting started

1

Create an account and log in to your Hubble account.

2

Find and select the template to use.

3

Import Figma prototype and edit the questions as you see fit.

4

Run pilot tests with internal users (ideally, people that are not a part of your project).

5

Preview the study and check if you need to make any last minute changes.

6

Publish the study and wait for the results to come in.

Frequently Asked Questions

What is the System Usability Scale (SUS)?

The System Usability Scale (SUS) is a widely used questionnaire-based method for assessing the usability of a system, product, or service. It consists of a set of standardized questions designed to measure the perceived usability of a system from the user's perspective.

What types of systems or products can the SUS be used to evaluate?

The SUS has been used broadly in the industry regardless of specific device or system types. It can be used to evaluate a wide range of systems, products, or services, including software applications, websites, mobile apps, consumer electronics, medical devices, and more. It is applicable to both digital and physical products.

What does SUS measure?

The System Usability Scale (SUS) measures the perceived usability of a system, product, or service from the user's perspective. It evaluates factors such as ease of use, effectiveness, efficiency, learnability, and overall user satisfaction. The SUS provides a standardized method for assessing the usability of a wide range of systems and products.

What are some limitations or considerations when using the SUS?

The SUS provides a general measure of usability and may not capture specific usability issues or nuances. While the SUS is a valuable tool for assessing usability, it is important to consider factors such as respondent bias, cultural differences, and the context in which the system is used.

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Related Blog Posts

Standardize usability assessment with SUS

Collect your SUS scores to understand how usable your product is