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Statistics For Evidence-Based Practice And Evaluation

by: Rubin, Allen

Statistics For Evidence-Based Practice And Evaluation

by: Rubin, Allen

ISBN 13:
9780495005834
ISBN 10:
0495005835
Edition: 1st
Format: Paperback
Copyright: 01/27/2006
Publisher: Brooks Cole
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Summary

Learn statistics the easy way with STATISTICS FOR EVIDENCE-BASED PRACTICE AND EVALUATION! Easy-to-read and practical, this social work text provides you with a step-by-step guide that will help you succeed in statistics. Studying is made easy with practice illustrations, examples, exercises, and a book-specific website that contains frequently asked questions, tutorial quizzes, and links to online resources. Practical examples provide you with the opportunity to see how and when data analysis and statistics are used in practice.

PART 1 Introduction and Data Management

(22)

Why Study Statistics?

(11)

Introduction

(1)

Statistics in Evidence-Based Practice

(3)

Plan of this Book

(1)

Levels of Measurement

(3)

Nominal Measures

(1)

Ordinal Measures

(1)

Interval Measures

(1)

Ratio Measures

(1)

Altering a Variable's Level of Measurement

(2)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercises

(1)

Preparing Data for Analysis

(10)

Introduction

(1)

Coding with Different Levels of Measurement

(1)

Coding Open-Ended Data

(3)

Codebook Construction

(1)

Data Entry

(1)

Data Cleaning

(1)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercise

(1)

PART 2 Descriptive Statistics

(60)

Frequency Distributions

(11)

Introduction

(1)

Types of Frequency Distributions

(6)

Absolute Frequencies

(3)

Relative Frequencies

(1)

Cumulative Frequencies

(1)

Grouped Frequency Distributions

(2)

Misleading Percentages

(1)

Main Points

(1)

Review Questions and Exercises

(2)

Info Trac Exercises

(1)

Graphs and Charts

(8)

Introduction

(1)

Bar Graphs

(1)

Pie Charts

(1)

Histograms

(1)

Frequency Polygons

(1)

Line Graphs Showing Trends Over Time

(2)

Misleading Graphics

(1)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercises

(1)

Measures of Central Tendency

(10)

Introduction

(1)

The Mean

(3)

The Median

(1)

The Influence of Extreme Values

(1)

The Mode

(2)

Selecting a Measure of Central Tendency

(1)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercise

(1)

Measures of Dispersion

(10)

Introduction

(1)

The Range

(1)

The Interquartile Range

(1)

The Variance

(1)

The Standard Deviation

(3)

Putting it all Together

(1)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercises

(1)

Normal Distributions

(9)

Introduction

(1)

Skewed Distributions

(1)

Normal Distributions

(3)

Kurtosis

(1)

Some Clarification

(1)

Bimodal Distributions

(1)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercise

(1)

z-Scores, Percentiles, and Effect Size

(11)

Introduction

(1)

Calculating z-Scores

(1)

Practical Uses of z-Scores

(1)

Using a z-Score Table

(1)

Some Practice Examples

(1)

Positive and Negative z-Score Percentiles

(2)

Some Negative z-Scores can be Positive!

(1)

Effect Size

(2)

Practical Use of Effect Size Statistics

(1)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercises

(1)

PART 3 Inferential Statistics

(149)

Probability and Sampling Distributions

(14)

Introduction

(1)

Chance (Sampling Error)

(1)

Probability

(3)

Theoretical Sampling Distributions

(6)

The Standard Error

(1)

Confidence Intervals for Estimating Population Parameters

(1)

Estimating Confidence Intervals Involving Proportions

(1)

Practical Use

(1)

Main Points

(1)

Review Questions and Exercises

(1)

Info Trac Exercises

(1)

Hypothesis Testing and Statistical Significance

(13)

Introduction

(1)

Theoretical Sampling Distributions in Hypothesis Testing

(2)

The Null Hypothesis

101

(1)

Can We Confirm the Null Hypothesis?

102

(1)

One-Tailed and Two-Tailed Tests of Statistical Significance

103

(5)

Main Points

108

(1)

Review Questions and Exercises

109

(1)

Info Trac Exercises

110

(1)

Type I and Type II Errors and Significance Levels

111

(9)

Introduction

112

(1)

Type I Errors

112

(1)

Type II Errors

113

(1)

Which Type of Error is More Serious?

114

(1)

Selecting a Significance Level

115

(1)

The Influence of Sample Size

116

(2)

Main Points

118

(1)

Review Questions and Exercises

118

(1)

Info Trac Exercises

119

(1)

The t-Test

120

(17)

Introduction

121

(1)

The t-Test

121

(11)

Calculating the t-Score

125

(1)

The Independent-Samples t-Test

125

(3)

The Paired-Samples t-Test

128

(1)

The One-Sample t-Test

129

(3)

A Common Mistake

132

(1)

Independent-Samples t-Test with Change Scores

133

(1)

Main Points

134

(1)

Review Questions and Exercises

135

(1)

Info Trac Exercise

136

(1)

Analysis of Variance

137

(11)

Introduction

138

(2)

An Illustration of Anova

138

(1)

Post Hoc Tests

139

(1)

Analysis of Covariance (Ancova)

140

(3)

Two-Factor Analysis of Variance

143

(1)

Multivariate Analysis of Variance (Manova)

144

(1)

Main Points

145

(1)

Review Questions and Exercises

146

(1)

Info Trac Exercises

147

(1)

Cross-Tabulation and Chi-Square

148

(15)

Introduction

149

(1)

Two-by-Two Cross-Tabulation Tables

149

(1)

Calculating Chi-Square

150

(2)

Tables with More Than Two Rows or Columns

152

(3)

The Goodness-of-Fit Test

155

(1)

The Median Test

155

(6)

Main Points

161

(1)

Review Questions and Exercises

161

(1)

Info Trac Exercise

162

(1)

Correlation

163

(21)

Introduction

164

(1)

Correlation Coefficients

164

(1)

Scatterplots

165

(4)

Curvilinear Correlation

169

(1)

Why Would a Practitioner Want to Look at Scatterplots and Correlations?

170

(1)

Computing the Correlation Coefficient

170

(4)

Correlation Coefficients for Nominal Data

174

(2)

Testing the Statistical Significance of Correlation Coefficients

176

(1)

Some Cautions to Remember About Correlation

176

(4)

Linearity and Other Assumptions

178

(1)

Handling Outliers

178

(1)

Can a Correlation Ever be too Strong?

178

(1)

Correlation Does Not Prove Causation

179

(1)

Main Points

180

(1)

Review Questions and Exercises

181

(2)

Info Trac Exercise

183

(1)

Interpreting the Strength and Importance of Relationships

184

(16)

Introduction

185

(1)

Coefficient of Determination

185

(2)

Effect Size

187

(2)

How Strong is ``Strong''?

189

(1)

Substantive (Practical) Significance

189

(2)

Clinical Significance

191

(2)

Statistical Power Analysis

193

(3)

Main Points

196

(1)

Review Questions and Exercises

197

(1)

Info Trac Exercises

198

(2)

Regression Analysis

200

(20)

Introduction

201

(1)

The Regression Equation

201

(5)

Amazon no longer offers textbook rentals. We do!

Statistics For Evidence-Based Practice And Evaluation

Statistics For Evidence-Based Practice And Evaluation

9780495005834

0495005835

Summary

Table of Contents

Supplemental Materials

Write a Review

Amazon no longer offers textbook rentals. We do!

Statistics For Evidence-Based Practice And Evaluation

Statistics For Evidence-Based Practice And Evaluation

9780495005834

0495005835

Summary

Table of Contents

Supplemental Materials

Write a Review

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