Búsqueda de LIBROS DEL AUTOR: jacob cohen

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  • INTRODUCTORY STATISTICS FOR THE BEHAVIORAL SCIENCES
    ebook
    INTRODUCTORY STATISTICS FOR THE BEHAVIORAL SCIENCES
    JOAN WELKOWITZ / ROBERT B. EWEN / JACOB COHEN
    Introductory Statistics for the Behavioral Sciences provides an introduction to statistical concepts and principles. This book emphasizes the robustness of parametric procedures wherein such significant tests as t and F yield accurate results even if such assumptions as equal population variances and normal population distributions are not well met. Organized into three parts ...

    $970.00

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  • STATISTICAL POWER ANALYSIS FOR THE BEHAVIORAL SCIENCES
    ebook
    STATISTICAL POWER ANALYSIS FOR THE BEHAVIORAL SCIENCES
    JACOB COHEN
    Statistical Power Analysis for the Behavioral Sciences, Revised Edition emphasizes the importance of statistical power analysis. This edition discusses the concepts and types of power analysis, t test for means, significance of a product moment rs, and differences between correlation coefficients. The test that a proportion is .50 and sign test, differences between proportions...

    $970.00

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  • APPLIED MULTIPLE REGRESSION/CORRELATION ANALYSIS FOR THE BEHAVIORAL SCIENCES
    ebook
    APPLIED MULTIPLE REGRESSION/CORRELATION ANALYSIS FOR THE BEHAVIORAL SCIENCES
    JACOB COHEN / PATRICIA COHEN / STEPHEN G. WEST / LEONA S. AIKEN
    This classic text on multiple regression is noted for its nonmathematical, applied, and data-analytic approach. Readers profit from its verbal-conceptual exposition and frequent use of examples. The applied emphasis provides clear illustrations of the principles and provides worked examples of the types of applications that are possible. Researchers learn how to specify regress...

    $1,339.00

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  • STATISTICAL POWER ANALYSIS FOR THE BEHAVIORAL SCIENCES
    ebook
    STATISTICAL POWER ANALYSIS FOR THE BEHAVIORAL SCIENCES
    JACOB COHEN
    Statistical Power Analysis is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The Second Edition includes: * a chapter covering power analysis in set correlation and multivariate methods; * a chapter considering effect size, psychometric reliability, and the efficacy of "...

    $1,339.00

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  • LIFE VALUES AND ADOLESCENT MENTAL HEALTH
    ebook
    LIFE VALUES AND ADOLESCENT MENTAL HEALTH
    PATRICIA COHEN / JACOB COHEN
    Arising from the Cohens' work on the epidemiology of childhood psychopathology, this book explores the two aspects of motivational structure--ideas and values--that underlie the development of maladaptive functioning and symptoms. The first aspect is a measure of what children admire in their peers; this measure is seen as an operationalization of personal ideals. The second is...

    $1,379.00

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