‘Online Testing: Defining type I and type II testing errors’ – ‘MarketingExperiments’ Blog
The latest ‘MarketingExperiments’ blog post is titled “Online Testing: Defining type I and type II testing errors”.
Taylor Lightfoot says, “When it comes to website testing, maybe you’ve heard of the terms type I and type II errors, but never really understood what they mean.
Perhaps you’re thinking they might have something to do with personality types, like a type I personality that is perhaps more aggressive than a type II personality. Or maybe blood type comes to mind?
These are, of course, all wrong.
In the context of testing, what we are really referring to are type I and type II statistical errors. These are concepts that two prominent statisticians”.
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