The level of significance should be chosen with careful consideration of the key factors such as the sample size, power of the test, and expected losses from Type I and II errors. While the conventional levels may still serve as practical benchmarks, they should not be adopted mindlessly and...
if you want to be 95 percent confident that your analysis is correct, the alpha level would be 1 – .95 = 5 percent, assuming you had a one tailed test. For two-tailed tests, divide the alpha level by 2. In this example, the two ...
It can be hard to find the perfect sample size for statistically sound results. Here we reveal methods and tools for effective sample size determination.
In order to call a performance test a winner, the variation needs to outperform the control and the results need to show a high confidence level in the result. Utility testsare focused on making sure that desirable changes can be made safely, such as making a website more accessible, faster...
A simple introduction to statistical significance. Learn to differentiate between chance and factors of interest
Test content depth by creating two pieces of content. One will be significantly longer than the other and provide deeper insight. Content depth impacts SEO as well as metrics like conversion rate and time on page. A/B testing allows you to find the ideal balance between the two. ...
Key Performance Indicators (KPIs) serve as vital metrics that help measure progress towards business goals. To effectively monitor and analyze these metrics, businesses utilize KPI reports. In this article, we will explore the concept of KPI reports, highlight their significance, provide examples and...
Scroll down until you find theData Displaysection, and clickEvents. This section will allow you to specify the actions you want to keep a tab on. ClickCreate Event. Name your event—preferably something unique you can remember and important to the test you’re about to run. Finally, click...
Try to find the balance between motivation and intrusive marketing for your surveys so you don’t lose your customers. 25. Unclear and Vague Incentives Incentives play a big part in convincing someone to take some time and answer a survey. Of course, you can’t expect people to just share...
The p-value approach to hypothesis testing uses the calculated probability to determine whether there is evidence to reject the null hypothesis. This determination relies heavily on the test statistic, which summarizes the information from the sample relevant to the hypothesis being tested. The null h...