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E-book
Author Cohen, Barry H

Title Explaining Psychological Statistics
Published Wiley, 2013

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Description 1 online resource
Contents Intro -- Title Page -- Copyright -- Dedication -- Preface to the Fourth Edition -- The ABC Format -- The Organization of the Chapters -- A Note About the Use of Calculators -- Appendixes -- Resources for Instructors -- Resources for Students -- My Own Statistics Web Pages -- Acknowledgments -- Part One: Descriptive Statistics -- Chapter 1: Introduction to Psychological Statistics -- A. CONCEPTUAL FOUNDATION -- What Is (Are) Statistics? -- Statistics and Research -- Variables and Constants -- Scales of Measurement -- Parametric Versus Nonparametric Statistics
Likert Scales and the Measurement Controversy -- Continuous Versus Discrete Variables -- Scales Versus Variables Versus Underlying Constructs -- Independent Versus Dependent Variables -- Experimental Versus Observational Research -- Populations Versus Samples -- Statistical Formulas -- A. Summary -- Exercises -- B. BASIC STATISTICAL PROCEDURES -- Variables With Subscripts -- The Summation Sign -- Properties of the Summation Sign -- Rounding Off Numbers -- B. Summary -- Exercises -- C. ANALYSIS BY SPSS -- Ihno's Data -- Variable View -- Data Coding -- Missing Values -- Computing New Variables
Reading Excel Files Into SPSS -- Exercises -- Chapter 2: Frequency Tables, Graphs, and Distributions -- A. CONCEPTUAL FOUNDATION -- Frequency Distributions -- The Cumulative Frequency Distribution -- The Relative Frequency and Cumulative Relative Frequency Distributions -- The Cumulative Percentage Distribution -- Percentiles -- Graphs -- Real Versus Theoretical Distributions -- A. Summary -- Exercises -- B. BASIC STATISTICAL PROCEDURES -- Grouped Frequency Distributions -- Apparent Versus Real Limits -- Constructing Class Intervals -- Choosing the Class Interval Width
Choosing the Limits of the Lowest Interval -- Relative and Cumulative Frequency Distributions -- Cumulative Percentage Distribution -- Estimating Percentiles and Percentile Ranks by Linear Interpolation -- Graphing a Grouped Frequency Distribution -- Guidelines for Drawing Graphs of Frequency Distributions -- B. Summary -- Exercises -- C. ANALYSIS BY SPSS -- Creating Frequency Distributions -- Percentile Ranks and Missing Values -- Graphing Your Distribution -- Obtaining Percentiles -- The Split File Function -- Stem-and-Leaf Plots -- Exercises
Chapter 3: Measures of Central Tendency and Variability -- A. CONCEPTUAL FOUNDATION -- Measures of Central Tendency -- Measures of Variability -- Skewed Distributions -- A. Summary -- Exercises -- B. BASIC STATISTICAL PROCEDURES -- Formulas for the Mean -- Computational Formulas for the Variance and Standard Deviation -- Obtaining the Standard Deviation Directly From Your Calculator -- Properties of the Mean -- Properties of the Standard Deviation -- Measuring Skewness -- Measuring Kurtosis -- B. Summary -- Exercises -- C. ANALYSIS BY SPSS -- Summary Statistics
Summary Now in its 4th edition, this popular and comprehensive graduate-level statistics text offers students an easy to grasp and non-intimidating approach to statistics for the non-mathematician. The text provides practical coverage of SPSS in every chapter, including screen shots, procedures, exercises, and direction on how to interpret SPSS output. The use of common data sets throughout the book aid in student comprehension. Now with a new chapter showing students how to apply the right test in the right way to come out with the most accurate and true result, the new edition continues to offer students a lively and engaging introduction to the field
Notes Print version record
Subject Psychometrics.
Psychology -- Mathematical models.
Statistics -- Study and teaching (Higher)
Psychometrics
Psychology -- Mathematical models.
Psychometrics.
Statistics -- Study and teaching (Higher)
Form Electronic book
ISBN 1306156629
9781306156622