## Experimental Design in Psychological Research |

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28 pages matching **randomized groups design** in this book

#### Page xvii

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### Contents

Preface | 1 |

Principles of Experimental Design | 13 |

Approximation of the Probabilities Associated with Sampling from | 31 |

Copyright | |

22 other sections not shown

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### Common terms and phrases

A X B interaction A X B X C interaction A X C analysis of covariance analysis of variance analyzed anxiety X shock assigned at random assume block X treatment calculated cell entries column corresponding data of Table degrees of freedom dependent variable deviations differ significantly drug error mean square error sum estimate of experimental example Expectation of Mean factor factorial experiment freedom associated given in Table interaction sum levels linear component main effects measures multiple comparisons multiply Nomographs normal distribution null hypothesis number of observations obtained organismic variable orthogonal comparisons over-all pi pi pi probability quadratic components random samples randomized block design randomized group design shock X stage Source of Variation stage sum standard error subjects subtraction sum of squares test of significance three-factor interaction treatment combinations treatment effects treatment groups treatment mean square treatment sum trend trial sum value of F