Parameter | Level | Error type | Description |

Alpha | .05 | Type I error or False positive | The probability of identifying a non-existing effect |

Beta | - | Type II error or False negative | The probability of not identifying an existing effect |

Statistical power (1 − β) | min > .50 Ideally > .80 | The probability to identify an effect that really exists | |

Effect size | Small, Medium, or Large | The strength of the examined relationship |