## Experimental psychology: a methodological approach |

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### Contents

The Problem | 20 |

The Experimental Plan | 69 |

The Case of Two Randomized Groups | 119 |

Copyright | |

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### Common terms and phrases

able amount analysis of variance antecedent conditions assigned assume behavior chapter cn cn compute conclusion conduct consider control group correlation deductive inference degrees of freedom dent variable dependent variable scores dependent variable values determine discussion effect Equation error variance evidence report example experiment experimental group extraneous variables F-test factorial design Figure Hence hypnosis hypnotic susceptibility hypnotized illustrate independent vari indicated instance interaction learning matched-groups design matching variable maze mean square ment method null hypothesis number of errors number of participants observation obtained pair pendent variable periment planarians population possible pothesis prediction present probability problem procedure psychologist question random randomized-groups design randomly rats reject the null relationship reliably different response sample selected Skinner Box source of variation specific standard deviation statement statistical analysis statistical test stimulus sum of squares susceptibility Table testable tion trials true two-groups design zero