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I am confused about the alpha. I saw an alpha symbol when I was reading a reference material about p-value, but I remember there is something called Cronbach’s alpha. I am not sure what is the difference between these alphas?

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Karen 71
9 July 2020
I am confused about the alpha. I saw an alpha symbol when I was reading a reference material about p-value, but I remember there is something called Cronbach’s alpha. I am not sure what is the difference between these alphas?

I am confused about the alpha. I saw an alpha symbol when I was reading a reference material about p-value, but I remember there is something called Cronbach’s alpha. I am not sure what is the difference between these alphas?

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Terry Poon
9 July 2020

Welcome.

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Karen 71
9 July 2020

I see, thank you.

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Terry Poon
9 July 2020

The threshold (e.g., .05), the largest P-value tolerated for rejecting a true null hypothesis, is called the significance level, α; whereas Cronbach’s alpha is a measure of internal consistency, that is, how closely related a set of items are as a group. Technically speaking, Cronbach’s alpha is not a statistical test – it is a coefficient of reliability (or consistency).

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