The Statistics Behind Testing
You change one word on your homepage and wait. Traffic looks the same. Revenue ticks up slightly, then drifts back. Was it the word or just a busy…
Read moreYour team has three ideas and one afternoon to decide. Someone senior picks the safest option. Three months later nobody remembers why. That cycle is…
Read moreMost website advice sounds confident. Few pieces show their work. When you understand null vs alternative hypothesis, you can tell which tips apply to…
Read moreYour team has three ideas and one afternoon to decide. Someone senior picks the safest option. Three months later nobody remembers why. That cycle is…
Read moreMost website advice sounds confident. Few pieces show their work. When you understand confidence level, you can tell which tips apply to your traffic…
Read moreForty-seven people completed your form last month. You tweak the headline and get fifty-one. Celebration or noise? Without a clear grasp of what is a…
Read moreYou already make changes to your site every quarter. The question is whether those changes compound or cancel each other out. What is a null…
Read moreYou already make changes to your site every quarter. The question is whether those changes compound or cancel each other out. What is a p value is how…
Read moreTwo visitors land on the same page. One signs up. One leaves without a click. Same product, same price, same day. The difference is often a detail you…
Read moreYou change one word on your homepage and wait. Traffic looks the same. Revenue ticks up slightly, then drifts back. Was it the word or just a busy…
Read moreTwo visitors land on the same page. One signs up. One leaves without a click. Same product, same price, same day. The difference is often a detail you…
Read moreForty-seven people completed your form last month. You tweak the headline and get fifty-one. Celebration or noise? Without a clear grasp of confidence…
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