**Error variance**is defined as a variance computed to measure the magnitude of differences that would be expected if the null hypothesis is true and there are no population mean differences. The denominator of the F-ratio computed in an analysis of variance.

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Single-factor analysis of variance at psychology-glossary.com | ■■■■■ |

The Single-factor analysis of variance is a hypothesis test that evaluates the statistical significance . . . Read More | |

Cohen's d at psychology-glossary.com | ■■■■ |

Cohen's d refers to a standard measure of effect size computed by dividing the sample mean difference . . . Read More | |

Standard deviation at psychology-glossary.com | ■■■■ |

The Standard deviation refers to a measure which shows the average variability in population from the . . . Read More | |

Null hypothesis at psychology-glossary.com | ■■■ |

Null hypothesis the hypothesis alternative to a primary hypothesis, stating that there is no relationship . . . Read More | |

Means–ends analysis at psychology-glossary.com | ■■■ |

Means–ends analysis: Means –ends analysis refers to a problem-solving strategy in which the solver . . . Read More | |

Type II error at psychology-glossary.com | ■■■ |

Type II error - the conclusion, based on a hypothesis test, that a result is not Statistically significant . . . Read More | |

Parametric test at psychology-glossary.com | ■■■ |

Parametric test is a test of statistical inference in which assumptions are made about the underlying . . . Read More | |

Trend at psychology-glossary.com | ■■■ |

Trend refers to the general direction in which the attitudes, interests, behaviors and actions of a large . . . Read More | |

Effect size (d) at psychology-glossary.com | ■■■ |

Effect size (d): Effect size (d) is a measure used in meta-analysis , defined as the difference in mean . . . Read More | |

Analyses of variance (ANOVAs) at psychology-glossary.com | ■■■ |

Analyses of variance (ANOVAs) refers to statistical test that examines if group means vary from each . . . Read More |