## Fundamental Statistics for the Behavioral SciencesDavid Howell's practical approach focuses on the context of statistics in behavioral research, with an emphasis on looking before leaping; investigating the data before jumping into a test. This provides you with an understanding of the logic behind the statistics: why and how certain methods are used rather than just doing techniques by rote. Learn faster and understand more because Howell's texts moves you beyond number crunching, allowing you to discover the meaning of statistical results and how they relate to the research questions being asked. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version. |

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### Contents

Introduction | 1 |

Basic Concepts | 16 |

Displaying Data | 32 |

Measures of Central Tendency | 60 |

Measures of Variability | 75 |

The Normal Distribution | 103 |

Basic Concepts of Probability | 124 |

Sampling Distributions and Hypothesis Testing | 143 |

Factorial Analysis of Variance | 418 |

RepeatedMeasures Analysis of Variance | 444 |

ChiSquare | 462 |

Nonparametric and DistributionFree Statistical Tests | 493 |

Choosing the Appropriate Analysis | 519 |

Arithmetic Review | 526 |

Symbols and Notation | 533 |

Basic Statistical Formulae | 536 |

Correlation | 170 |

Regression | 211 |

Multiple Regression | 245 |

Hypothesis Tests Applied to Means One Sample | 279 |

Hypothesis Tests Applied to Means Two Related Samples | 309 |

Hypothesis Tests Applied to Means Two Independent Samples | 325 |

Power | 350 |

OneWay Analysis of Variance | 374 |

Statistical Tables | 540 |

Glossary | 558 |

564 | |

Answers to Exercises | 569 |

589 | |

List of Applications | 596 |

### Common terms and phrases

actually analysis of variance answer applet asked average boxplot calculate chapter chi-square cognitive behavior therapy computed condition consider correlation coefficient critical value data in Exercise Definition degrees of freedom dependent variable difference scores differences between means discussed effect effect size equal estimate example expect experimental familywise error rate Figure formula frequency hypothesis testing important independent interval look measure median moon moon illusion MSerror multiple regression normal distribution null hypothesis obtained older participants one-way PctSAT plot population mean population variance predicted predictors probability procedures question random ranks ratio recall regression equation reject H0 reject the null relationship represents sample means sample sizes sample variance sampling distribution scale scatterplot significant simple slope SPSS SStotal standard deviation standard error statistics stem-and-leaf display stress subjects sum of squares Table therapy tion Total two-tailed test Type I error weight