Statistics Flashcards

1
Q

Type II error

A

Failure to accept the alternate hypothesis; when a study states that there is not a significant relationship between two factors when a relationship actually exists.

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2
Q

Power (in statistics)

A

Power = 1 - type II error (aka beta)

Power = probability of correctly rejecting the null hypothesis

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3
Q

How does a high type 2 error affect the study’s power?

A

High type 2 error decreases the study’s power, questioning its validity ( power = 1 - type 2 error)

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4
Q

Type I error

A

Accepting the alternative hypothesis when it is false

A false positive

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