We Made the UX 'Better' and Conversion Dropped — Here's What Happened
How a cleaner homepage, a modal instead of a dedicated page, and a flat primary metric quietly killed enrollment conversions—and what to change in your experimentation strategy.
Articles exploring behavioral science through the lens of behavioral science and experimentation. Practical frameworks for growth leaders who measure in revenue, not vanity metrics.
41 articles
How a cleaner homepage, a modal instead of a dedicated page, and a flat primary metric quietly killed enrollment conversions—and what to change in your experimentation strategy.
A/B testing raises real ethical questions about consent, manipulation, and fairness. Learn where the ethical boundaries are and how to test responsibly.
The mere exposure effect shows that familiarity breeds preference, not contempt. Learn how repeated exposure shapes product adoption and brand trust.
Reciprocity is a foundational principle of human cooperation. Learn how giving value first transforms user acquisition, engagement, and conversion in products.
Decision fatigue degrades user choices throughout a session. Learn how sequential decisions drain cognitive resources and reduce conversion in digital products.
Default bias is one of the strongest forces in behavioral science. Learn why pre-selected options dominate and how to use smart defaults to improve outcomes.
Barry Schwartz's paradox of choice explains why more options lead to fewer decisions. Apply this behavioral science principle to boost product conversions.
Cognitive load theory explains why complex web pages fail. Learn how to reduce mental effort in digital interfaces so users can act instead of overthinking.
A collection of real A/B test results that defied conventional optimization wisdom, with behavioral science explanations for each surprising outcome.
Social proof is not always positive. Discover why adding testimonials and reviews can actually reduce conversion in certain A/B testing contexts.
Polished designs often lose to rough, authentic alternatives. Explore the behavioral science behind why ugly pages convert better in A/B tests.
A comprehensive guide to conversion rate optimization grounded in behavioral science and statistical rigor. Move beyond guesswork to evidence-based CRO.
Stop testing button colors. Learn which CTA experiments actually drive conversion, grounded in behavioral science and decision architecture principles.
Learn which homepage A/B tests actually move revenue and which are vanity experiments. A behavioral science approach to homepage optimization.
Best practices in A/B testing often fail because context matters more than convention. Learn why universal rules break down and how to build context-specific hypotheses.
Better UX does not always mean better conversion. Explore the paradox of design improvements that reduce measured metrics and what it reveals about user behavior.
Discover the hidden reasons A/B test variants lose despite strong hypotheses. From selection bias to novelty effects, learn why good ideas fail experiments.
Most A/B tests fail because teams test solutions before understanding problems. Learn the problem-first approach that doubles experiment win rates.
Most A/B tests don't produce winners. Our data from 97 experiments reveals why a 61% inconclusive rate signals a rigorous program, not a broken one.
We ran 3 social proof A/B tests and got 0 winners. Here is why the most recommended conversion tactic failed and what actually works instead.
97 real A/B experiments tested behavioral science principles in the field. Here is what actually worked, what failed, and a prioritization framework for practitioners.
Social proof during onboarding transforms uncertain new users into confident adopters. Learn how to strategically deploy testimonials, usage data, and peer evidence to accelerate activation.
The mere exposure effect is one of the most replicated findings in psychology: repeated exposure to a stimulus increases liking. Learn how this principle shapes brand preference, why frequency matters more than persuasion, and how to apply it strategically.
Explore how decision fatigue and ego depletion affect digital conversion rates throughout the day, and learn simplification strategies that design for cognitively depleted users.
Explore the counterintuitive relationship between transparency and trust. Learn when showing your process builds confidence and when it creates anxiety that kills conversions.
Challenge the myth that B2B buying is purely rational. Explore why high-stakes business decisions are deeply emotional and how emotional design patterns can drive B2B conversions.
Behavioral segmentation vs. demographic segmentation and why specificity in targeting improves everything downstream. Most ideal customer profiles describe markets, not customers, and the difference is costly.
Multiple decision-makers with conflicting motivations require different persuasion strategies than B2C. Understanding buyer committees through behavioral science reveals why standard conversion tactics fail in enterprise sales.
How word-level decisions in UI copy trigger or suppress action through cognitive fluency, loss framing, and autonomy. The behavioral science behind microcopy that moves conversion metrics.
Why specificity, similarity, and narrative social proof outperform generic numbers. The psychology of social proof copy that moves conversion metrics instead of just filling space.
Narrative transportation theory explains why users who become absorbed in a story lower their critical defenses, making story-driven landing pages consistently outperform feature-list alternatives in conversion testing.
Precise numbers like $97 feel more deliberate and credible than round figures like $100. Explore the behavioral science behind why specificity signals competence and increases conversion.
The closer people get to completing a goal, the harder they work to reach it, a behavioral science principle with profound implications for checkout flows, onboarding sequences, and product engagement loops.
Users dramatically overestimate how much others notice their decisions online, creating invisible friction in opt-in flows and conversion paths that most teams never identify.
Unfinished tasks create psychological tension that demands resolution. Learn how the Zeigarnik Effect explains why incomplete loops in email subject lines consistently outperform closed statements in driving open rates.
The fresh start effect and how temporal markers create motivation. Discover why aligning conversion messaging with psychological reset points dramatically improves upgrade and signup rates.
Why stated preferences diverge from revealed preferences. Explore how the Dunning-Kruger Effect distorts self-reported user research and what methods produce more reliable behavioral insights.
Splitting long forms into more steps doesn't reduce cognitive load — it increases friction. Research across multiple brands reveals when simplification backfires and what actually drives conversion.
Kahneman's peak-end rule shows that users judge onboarding experiences by their most intense moment and their final moment, not by the average quality of the entire sequence.
Schwartz's paradox of choice reveals why adding more pricing tiers to your SaaS product actually reduces conversion rates, and how understanding maximizers vs satisficers can reshape your pricing strategy.
How optional stopping, emotional relief, and clear rules shape smarter early pregnancy testing decisions.