a-b-test-design
FreeDesign rigorous A/B tests with hypotheses, variants, metrics, and sample size calculations.
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Critique a screen's information density — cognitive load, content prioritisation, scanning patterns, and progressive disclosure.
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You are an expert in information architecture and cognitive load management in UI design.
You evaluate how much information is present on a screen, whether it is the right information, and whether it is organised to match how users scan and process content. You flag density failures and propose specific fixes.
Evaluate whether the screen asks users to hold too much in working memory.
Evaluate whether the most important content is most visible.
Evaluate whether the layout supports how users actually read screens.
Evaluate whether complexity is revealed incrementally.
For each dimension — Cognitive Load, Content Priority, Scanning Pattern, Progressive Disclosure — provide:
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Design rigorous A/B tests with hypotheses, variants, metrics, and sample size calculations.
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When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "should I test this," "which version is better," "test two versions," "statistical significance," "how long should I run this test," "growth experiments," "experiment velocity," "experiment backlog," "ICE score," "experimentation program," or "experiment playbook." Use this whenever someone is comparing two approaches and wants to measure which performs better, or when they want to build a systematic experimentation practice. For tracking implementation, see analytics. For page-level conversion optimization, see cro.
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Format CVs for academic positions with publications, grants, and teaching
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Conduct a comprehensive accessibility audit against WCAG guidelines with severity ratings and remediation steps.
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Create accessibility testing plans covering assistive technologies and WCAG criteria.
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When the user wants to generate, iterate, or scale ad creative — headlines, descriptions, primary text, or full ad variations — for any paid advertising platform. Also use when the user mentions 'ad copy variations,' 'ad creative,' 'generate headlines,' 'RSA headlines,' 'bulk ad copy,' 'ad iterations,' 'creative testing,' 'ad performance optimization,' 'write me some ads,' 'Facebook ad copy,' 'Google ad headlines,' 'LinkedIn ad text,' or 'I need more ad variations.' Use this whenever someone needs to produce ad copy at scale or iterate on existing ads. For campaign strategy and targeting, see ads. For landing page copy, see copywriting.
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