## Experimental Design in Psychological Research |

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### Contents

The Nature of Research | 1 |

Principles of Experimental Design | 13 |

Approximation of the Probabilities Associated with Sampling from | 31 |

Copyright | |

24 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 anxiety X stage assigned at random assume block X treatment calculated cell entry 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 Latin square design levels linear component main effects measures multiple comparisons multiply Nomographs normal distribution null hypothesis number of observations obtained organismic variable orthogonal comparisons over-all Poisson distribution probability quadratic components random samples randomized block design randomized group design shock X stage Source of Variation stage sum standard error 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