Experiment & Research Methods

How to test product ideas and learn from users — from A/B tests and fake-door experiments to user interviews and usability testing. When to use each and how to run it.

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12 results

A/B Split TestAn A/B split test randomly shows two variants to comparable groups of users to measure which one moves a target metric.
Product Experiment
Card SortingCard sorting reveals how users group and label content so you can design an information architecture that matches their mental model.
UX Research
Contextual InquiryContextual inquiry observes and interviews users in their real environment as they do actual work.
UX Research
Fake Door TestA fake door test gauges demand for a feature by advertising it before it exists and measuring who tries to use it.
Product Experiment
First Click TestA first click test shows users a design and a task, then records where they click first to gauge findability.
Product Experiment
Usability Test
Multivariate Test (MVT)A multivariate test varies several elements at once to measure their individual and combined effects on a metric.
Product Experiment
Preference TestA preference test shows people two or more options and asks which they prefer and why.
Product Experiment
UX Research
Regression TestRegression testing re-checks existing functionality after changes to make sure nothing that used to work has broken.
Product Experiment
SurveysSurveys collect structured, quantitative feedback from many people to measure attitudes and behaviors at scale.
UX Research
Usability Testing of Clickable PrototypesUsability testing watches real users attempt tasks on a clickable prototype to find where the design fails them.
Usability Test
User InterviewsUser interviews are structured one-on-one conversations that uncover the goals, context, and pain points behind user behavior.
UX Research
Word Concept AssociationWord concept association asks people for the first words a brand, product, or concept brings to mind, revealing perception.
UX Research