Type I error

the error of rejecting the null hypothesis when it is in fact true. Investigators make this error when they believe they have detected an effect or a relationship that does not actually exist. The projected probability of committing a Type I error is called the significance level or alpha (α) level. Also called alpha error; rejection error.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

November 17th 2024

affective well-being

see subjective well-being.