What is Usability Testing?

Usability testing is the practice of testing how easy a design is to use with a group of representative users. It usually involves observing users as they attempt to complete tasks and can be done for different types of designs. It is often conducted repeatedly, from early development until a product’s release.

Usability Testing Leads to the Right Products

Through usability testing, you can find design flaws you might otherwise overlook. When you watch how test users behave while they try to execute tasks, you’ll get vital insights into how well your design/product works. Then, you can leverage these insights to make improvements. Whenever you run a usability test, your chief objectives are to:

1? Determine?whether testers can complete tasks successfully and independently.

2? Assess their?performance?and?mental state?as they try to complete tasks, to see how well your design works.

3? see?how much users enjoy?using it.

4? Identify?problems?and their?severity.

5? Find?solutions.

Usability Testing is an Iterative Process

To make usability testing work best, you should:

1)?Plan?–

a.?Define what you want to test. Ask yourself questions about your design/product. What aspect/s of it do you want to test? You can make a hypothesis from each answer. With a clear hypothesis, you’ll have the exact aspect you want to test.

b.?Decide how to conduct your test?– e.g., remotely. Define the?scope?of what to test (e.g., navigation) and stick to it throughout the test. When you test aspects individually, you’ll eventually build a broader view of how well your design works overall.

2)?Set user tasks?–

a.?Prioritize the most important tasks to meet objectives?(e.g., complete checkout), no more than 5 per participant. Allow a 60-minute timeframe.

b.?Clearly define tasks with realistic goals.

c.?Create scenarios where users can try to use the design naturally. That means you let them get to grips with it on their own rather than direct them with instructions.

3)?Recruit testers?–

Know who your users are as a target group.?Use screening questionnaires?(e.g., Google Forms) to find suitable candidates. You can?advertise?and offer incentives. You can also find contacts through?community groups, etc. If you test with only 5 users, you can still reveal 85% of core issues.

4)?Facilitate/Moderate testing?–

Set up testing in a?suitable environment.?Observe and interview users.?Notice issues. See if users fail to see things, go in the wrong direction or misinterpret rules. When you record usability sessions, you can more easily count the number of times users become confused.?Ask users to?think aloud?and tell you?how they feel?as they go through the test. From this, you can check whether your designer’s mental model is accurate

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