26.35 Type I error rate (\(α\))

26.35.1 False positives

• The experimenter is choosing the allowable rate of false-positive errors.

• By setting the \(p = 0.05\), you say that it is acceptable to detect a false-positive difference (that occurs by pure chance) 5% of the time in an attempt to detect true negative differences.

• Corresponds to detecting a difference when there is no difference