It’s a well-known fact that on a certain memory test of 15 items, recall of the

Question

It’s a well-known fact that on a certain memory test of 15 items, recall of the first five items is substantially better than recall of the middle five items. However, when you tried to replicate this phenomenon with alpha = .01, the probability value for the data from your sample was p = .12, so you retained the null hypothesis and concluded that recall of the first five items was not different from recall of the middle five items.   What type of error did you make?

An alpha and error I or the same correct ?

error II the alpha is greater and you keep the Ho?

Explanation / Answer

Here we have made a Type II error because the null hypothesis was false but in our test, we retained the null hypothesis which means that we made an error of not rejecting a false null hypothesis and hence, Type II error.

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