Testing, research and freelance glossary

Plain-English definitions of the terms used across app testing, user research, micro-tasks and genuine marketing.

Beta testing
Releasing a pre-release version of an app or product to a limited group of real users to find problems before public launch.
Bug report
A description of a software problem with steps to reproduce, expected and actual results, evidence and device details.
Closed testing
A Google Play Console release track where only invited testers can install an app before it is publicly available.
Crowdtesting
Testing a product with many real users on their own devices, coordinated through a platform, instead of only an internal QA team.
Data labelling
Tagging images, text, audio or products with categories so the data can be organised or used to train AI systems.
Evidence
Screenshots, screen recordings, files or answers a tester submits to prove a task was completed as instructed.
Influencer marketing
Paying or gifting creators to feature a product to their own audience, with the post disclosed as an ad or paid partnership.
Localization testing
Checking that translated versions of an app or website display correctly and use the right words for each market.
Micro-task
A short, well-defined piece of digital work that can be completed quickly and checked against clear instructions.
Mystery shopping
Making a real purchase or enquiry with a business to evaluate and report on the customer experience.
Product validation
Testing an idea, prototype or MVP with target users to check it solves a real problem before investing further.
Real-device testing
Testing on physical phones, tablets and computers rather than emulators or simulators.
Reputation management
Monitoring and improving how a business is seen online, including collecting genuine reviews and replying to them.
Screener question
A question used before a study to check a participant matches the target audience.
Task success rate
The share of participants who complete a given task in a usability test.
UGC (user-generated content)
Photos and videos of real people using a product, created for the brand's own marketing channels.
Usability testing
Watching real users attempt specific tasks with a product to find where they struggle.
User research
Studying a product's target users through surveys, interviews and tests to understand their needs and behaviour.
UX feedback
Opinions from users about design, copy, navigation and overall experience.
Wallet
The balance in a tester or freelancer's TestLancer account where approved rewards are credited before payout.