## An introduction to psychological statistics |

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### Contents

STATISTISTICS IN EXPERIMENTAL AND APPLIED PSYCHOLOGY | 1 |

DESCRIPTION BY COUNTING | 30 |

AN INTRODUCTION TO CHI SQUARE | 52 |

Copyright | |

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Accordingly algebraic analysis of variance applied beta coefficients betas biserial cell chance Chapter column computed correlation coefficient corresponding covariances criterion degrees of freedom denoted descriptive statistics determinant developed diagonal diagram divided elements equal estimate evaluated Example expected eye color factor analysis Formula frequency distribution function homoscedastic identical independent variable indicated individuals intercorrelations inverse involving limits mathematical matrix mean measure method multiple correlation nominal scale normal curve normally distributed null hypothesis observed obtained original pairs parameter partial variance percent level percentile ranks population prediction predictors probability procedure proportion Psychol psychological psychological statistics random ratio raw scores raw-score regression equation relationship reliability represent residual variables sample selected shown skewed standard deviation standard error standard scores step interval subtracted sum of squares Table tion total number validity variance-covariance matrix variances and covariances weights yields zero