Beta Error


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Related to Beta Error: alpha error

Beta Error

When testing a hypothesis, the risk of a false negative in the results. It is also called a type II error or beta risk. See also: Alpha risk.
References in periodicals archive ?
My editorial merely explains the meaning of alpha and beta errors, and highlights the inherent uncertainty in statistical analysis, culminating in the statement that P values "do not provide proofs".
In calculating probabilities using a Bayesian approach, it is necessary to know not only the alpha and beta errors, but also the 'prior probability' (2).
However, he is wrong in suggesting that alpha and beta errors themselves may be misleading.