2023-07-14
2171
#ux research
Chris Kernaghan
173759
106
Jul 14, 2023 ⋅ 7 min read

Session replay in UX: Definition, use cases, benefits

Chris Kernaghan Chris Kernaghan is a Lead UX Designer based in Belfast, Northern Ireland. After working as Lead UX Designer with several startups in Belfast, he now works on a consultancy basis. You can follow Chris at feedme.design and wearefounders.uk.

Recent posts:

Bayesian UX testing A clearer way to interpret AB test results

Bayesian UX testing: A clearer way to interpret A/B test results

In A/B, A/B/n, or multivariate testing scenarios, using p-value with traditional null-hypothesis-based statistical analysis is so common, and most designers […]

Shalitha Suranga
Jun 9, 2026 ⋅ 3 min read
Multi-armed bandits in UX experiments: Faster testing with smarter traffic splits

Multi-armed bandits in UX experiments: Faster testing with smarter traffic splits

Traditional A/B testing splits traffic evenly, but multi-armed bandits dynamically send more users to the better-performing version. Here’s how the method works, where it helps, and when UX teams should use it over classic A/B testing.

Shalitha Suranga
Jun 2, 2026 ⋅ 4 min read
AI agent simulations for UX testing When to use simulated vs. real users

AI agent simulations for UX testing: When to use simulated vs. real users

AI agent simulations promise faster, lower-risk UX testing by replacing real users with AI-simulated personas. Here’s how the method works, where it falls short, and when designers should rely on simulated users versus real user testing.

Shalitha Suranga
May 26, 2026 ⋅ 3 min read

A/B testing vs. multivariate testing: When to use each UX testing method

A/B testing is great for comparing two versions of a design, but multivariate testing helps teams evaluate multiple design element combinations at once. Here’s how both methods work, how they differ, and when UX teams should use each one.

Shalitha Suranga
May 20, 2026 ⋅ 3 min read
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