# Essential Statistics for the Behavioral Sciences 2nd edition

Gregory J. Privitera
Publisher: SAGE Publications

## Course Packs

Save time with ready-to-use assignments built by subject matter experts specifically for this textbook. You can customize and schedule any of the assignments you want to use.

• Privitera Essential Statistics for the Behavioral Sciences 2e

Access is contingent on use of this textbook in the instructor's classroom.

Academic Term Homework Homework and eBook
Higher Education Single Term N/A \$66.95
High School N/A \$46.50

Online price per student per course or lab, bookstore price varies. Access cards can be packaged with most any textbook, please see your textbook rep or contact WebAssign

• Chapter 1: Introduction to Statistics
• 1.1: The Use of Statistics in Science
• 1.2: Descriptive and Inferential Statistics
• 1.3: Research Methods and Statistics
• 1.4: Scales of Measurement
• 1.5: Types of Variables for Which Data Are Measured
• 1.6: Research in Focus: Evaluating Data and Scales of Measurement
• 1.7: SPSS in Focus: Entering and Defining Variables
• 1: End-of-Chapter Problems (7)
• 1: Test Bank (36)

• Chapter 2: Summarizing Data: Frequency Distributions in Tables and Graphs
• 2.1: Why Summarize Data?
• 2.2: Frequency Distributions for Grouped Data
• 2.3: Identifying Percentile Points and Percentile Ranks
• 2.4: SPSS in Focus: Frequency Distributions for Quantitative Data
• 2.5: Frequency Distributions for Ungrouped Data
• 2.6: Research in Focus: Summarizing Demographic Information
• 2.7: SPSS in Focus: Frequency Distributions for Categorical Data
• 2.8: Graphing Distributions: Continuous Data
• 2.9: Graphing Distributions: Discrete and Categorical Data
• 2.10: Research in Focus: Frequencies and Percents
• 2.11: SPSS in Focus: Histograms, Bar Charts, and Pie Charts
• 2: End-of-Chapter Problems (13)
• 2: Test Bank (29)

• Chapter 3: Summarizing Data: Central Tendency
• 3.1: Introduction to Central Tendency
• 3.2: Measures of Central Tendency
• 3.3: Characteristics of the Mean
• 3.4: Choosing an Appropriate Measure of Central Tendency
• 3.5: Research in Focus: Describing Central Tendency
• 3.6: SPSS in Focus: Mean, Median, and Mode
• 3: End-of-Chapter Problems (18)
• 3: Test Bank (36)

• Chapter 4: Summarizing Data: Variability
• 4.1: Measuring Variability
• 4.2: The Range and Interquartile Range
• 4.3: Research in Focus: Reporting the Range
• 4.4: The Variance
• 4.5: Explaining Variance for Populations and Samples
• 4.6: The Computational Formula for Variance
• 4.7: The Standard Deviation
• 4.8: What Does the Standard Deviation Tell Us?
• 4.9: Characteristics of the Standard Deviation
• 4.10: SPSS in Focus: Range, Variance, and Standard Deviation
• 4: End-of-Chapter Problems (11)
• 4: Test Bank (28)

• Chapter 5: Probability, Normal Distributions, and z Scores
• 5.1: Introduction to Probability
• 5.2: Calculating Probability
• 5.3: Probability and the Normal Distribution
• 5.4: Characteristics of the Normal Distribution
• 5.5: Research in Focus: The Statistical Norm
• 5.6: The Standard Normal Distribution and z Scores
• 5.7: A Brief Introduction to the Unit Normal Table
• 5.8: Locating Proportions
• 5.9: Locating Scores
• 5.10: SPSS in Focus: Converting Raw Scores to Standard z Scores
• 5: End-of-Chapter Problems (14)
• 5: Test Bank (32)

• Chapter 6: Characteristics of the Sample Mean
• 6.1: Selecting Samples From Populations
• 6.2: Selecting a Sample: Who's In and Who's Out?
• 6.3: Sampling Distributions: The Mean
• 6.4: The Standard Error of the Mean
• 6.5: Factors That Decrease Standard Error
• 6.6: SPSS in Focus: Estimating the Standard Error of the Mean
• 6.7: APA in Focus: Reporting the Standard Error
• 6.8: Standard Normal Transformations With Sampling Distributions
• 6: End-of-Chapter Problems (11)
• 6: Test Bank (31)

• Chapter 7: Hypothesis Testing: Significance, Effect Size, and Power
• 7.1: Inferential Statistics and Hypothesis Testing
• 7.2; Four Steps to Hypothesis Testing
• 7.3: Hypothesis Testing and Sampling Distributions
• 7.4: Making a Decision: Types of Error
• 7.5: Testing for Significance: Examples Using the z Test
• 7.6: Research in Focus: Directional Versus Nondirectional Tests
• 7.7: Measuring the Size of an Effect: Cohen's d
• 7.8: Effect Size, Power, and Sample Size
• 7.9: Additional Factors That Increase Power
• 7.10: SPSS in Focus: A Preview for Chapters 8 to 14
• 7.11: APA in Focus: Reporting the Test Statistic and Effect Size
• 7: End-of-Chapter Problems (12)
• 7: Test Bank (15)

• Chapter 8: Testing Means: One-Sample t Test With Confidence Intervals
• 8.1: Going From z to t
• 8.2: The Degrees of Freedom
• 8.3: Reading the t Table
• 8.4: Computing the One-Sample t Test
• 8.5: Effect Size for the One-Sample t Test
• 8.6: Confidence Intervals for the One-Sample t Test
• 8.7: Inferring Significance and Effect Size From a Confidence Interval
• 8.8: SPSS in Focus: One-Sample t Test and Confidence Intervals
• 8.9: APA in Focus: Reporting the t Statistic and Confidence Intervals
• 8: End-of-Chapter Problems (12)
• 8: Test Bank (37)

• Chapter 9: Testing Means: Two-Independent-Sample t Test With Confidence Intervals
• 9.1: Introduction to the Between-Subjects Design
• 9.2: Selecting Samples for Comparing Two Groups
• 9.3: Variability and Comparing Differences Between Two Groups
• 9.4: Computing the Two-Independent-Sample t Test
• 9.5: Effect Size for the Two-Independent-Sample t Test
• 9.6: Confidence Intervals for the Two-Independent-Sample t Test
• 9.7: Inferring Significance and Effect Size From a Confidence Interval
• 9.8: SPSS in Focus: Two-Independent-Sample t Test and Confidence Intervals
• 9.9: APA in Focus: Reporting the t Statistic and Confidence Intervals
• 9: End-of-Chapter Problems (7)
• 9: Test Bank (27)

• Chapter 10: Testing Means: Related-Samples t Test With Confidence Intervals
• 10.1: Related-Samples Designs
• 10.2: Introduction to the Related-Samples t Test
• 10.3: Computing the Related-Samples t Test
• 10.4: Measuring Effect Size for the Related-Samples t Test
• 10.5: Confidence Intervals for the Related-Samples t Test
• 10.6: Inferring Significance and Effect Size From a Confidence Interval
• 10.7: SPSS in Focus: Related-Samples t Test and Confidence Intervals
• 10.8: APA in Focus: Reporting the t Statistic and Confidence Intervals
• 10: End-of-Chapter Problems (15)
• 10: Test Bank (34)

• Chapter 11: One-Way Analysis of Variance: Between-Subjects and Within-Subjects (Repeated-Measures) Designs
• 11.1: An Introduction to Analysis of Variance
• 11.2: The Between-Subjects Design for Analysis of Variance
• 11.3: Computing the One-Way Between-Subjects ANOVA
• 11.4: Post Hoc Tests: An Example Using Tukey's HSD
• 11.5: SPSS in Focus: The One-Way Between-Subjects ANOVA
• 11.6: The Within-Subjects Design for Analysis of Variance
• 11.7: Computing the One-Way Within-Subjects ANOVA
• 11.8: Post Hoc Tests for the Within-Subjects Design
• 11.9: SPSS in Focus: The One-Way Within-Subjects ANOVA
• 11.10: A Comparison of Within-Subjects and Between-Subjects Designs for ANOVA: Implications for Power
• 11.11: APA in Focus: Reporting the Results of the One-Way ANOVAs
• 11: End-of-Chapter Problems (22)
• 11: Test Bank (59)

• Chapter 12: Two-Way Analysis of Variance: Between-Subjects Factorial Design
• 12.1: Introduction to Factorial Designs
• 12.2: Structure and Notation for the Two-Way ANOVA
• 12.3: Describing Variability: Main Effects and Interactions
• 12.4: Computing the Two-Way Between-Subjects ANOVA
• 12.5: Analyzing Main Effects and Interactions
• 12.6: Measuring Effect Size for Main Effects and the Interaction
• 12.7: SPSS in Focus: The Two-Way Between-Subjects ANOVA
• 12.8: APA in Focus: Reporting the Results of the Two-Way ANOVAs
• 12: End-of-Chapter Problems (16)
• 12: Test Bank (33)

• Chapter 13: Correlation and Linear Regression
• 13.1: The Structure of Data Used for Identifying Patterns and Making Predictions
• 13.2: Fundamentals of the Correlation
• 13.3: The Pearson Correlation Coefficient
• 13.4: SPSS in Focus: Pearson Correlation Coefficient
• 13.5: Assumptions and Limitations for Linear Correlations
• 13.6: Alternatives to Pearson: Spearman, Point-Biserial, and Phi
• 13.7: SPSS in Focus: Computing the Alternatives to Pearson
• 13.8: Fundamentals of Linear Regression
• 13.9: Using the Method of Least Squares to Find the Regression Line
• 13.10: Using Analysis of Regression to Determine Significance
• 13.11: SPSS in Focus: Analysis of Regression
• 13.12: A Look Ahead to Multiple Regression
• 13.13: APA in Focus: Reporting Correlations and Linear Regression
• 13: End-of-Chapter Problems (19)
• 13: Test Bank (50)

• Chapter 14: Chi-Square Tests: Goodness-of-Fit and the Test for Independence
• 14.1: Distinguishing Parametric and Nonparametric Tests
• 14.2: The Chi-Square Goodness-of-Fit Test
• 14.3: SPSS in Focus: The Chi-Square Goodness-of-Fit Test
• 14.4: Interpreting the Chi-Square Goodness-of-Fit Test
• 14.5: The Chi-Square Test for Independence
• 14.6: Measures of Effect Size for the Chi-Square Test for Independence
• 14.7: SPSS in Focus: The Chi-Square Test for Independence
• 14.8: APA in Focus: Reporting the Chi-Square Tests
• 14: End-of-Chapter Problems (12)
• 14: Test Bank (30)

Gregory J. Privitera's Essential Statistics for the Behavioral Sciences, second edition, offers a concise and pedagogically rich introduction to the field of behavioral science statistics. With unique features like SPSS integration, ample application problems, a Making Sense feature to help students work through especially difficult concepts, and an organization driven by learning objectives and learning outcomes, Privitera's supports for student learning are unparalleled. Privitera exposes students to statistical applications in current research, tests their knowledge using current research examples, provides them with step-by-step instructions for using SPSS within the context of current research examples, and engages students by showing them how statistics is important for their generation. Award-winning author, Gregory Privitera, meticulously prepares the full package of student and instructor support materials that accompany Essential Statistics for the Behavioral Sciences. The Study Guide written to accompany the text offers students the opportunity to deepen their understanding of key concepts and terms, and it provides additional exercise opportunities. For instructors, Privitera provides a test bank that is unrivaled in its depth and accuracy. Additional study features include a SAGE Edge digital tool to further support student learning and WebAssign, a powerful tool for creating online, auto-graded homework specific to the Essential Statistics for the Behavioral Sciences text.

Features
• Each question links to the corresponding section of a complete, interactive eBook.
• Instructor and student resources include End-of-Chapter problems, Test Bank problems, and a Course Pack.
Use the Textbook Edition Upgrade Tool to automatically update all of your assignments from the previous edition to corresponding questions in this textbook.

## Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

##### Question Group Key
XP - Extra Problem

##### Question Availability Color Key
BLACK questions are available now
GRAY questions are under development

Group Quantity Questions
Chapter 1: Introduction to Statistics
1.E 7 005 009 011 019 025 501.XP 502.XP
1.TB 36 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 027 028 029 030 031 032 033 034 035 036 037
Chapter 2: Summarizing Data: Frequency Distributions in Tables and Graphs
2.E 13 003 011 017 019 023 025 034 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP
2.TB 29 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029
Chapter 3: Summarizing Data: Central Tendency
3.E 18 001 007 009 011 013 015 017 021 027 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP
3.TB 36 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036
Chapter 4: Summarizing Data: Variability
4.E 11 005 009 015 020 021 025 027 501.XP 502.XP 503.XP 504.XP
4.TB 28 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028
Chapter 5: Probability, Normal Distributions, and z Scores
5.E 14 011 013 015 017 019 022 023 026 030 501.XP 502.XP 503.XP 504.XP 506.XP
5.TB 32 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032
Chapter 6: Characteristics of the Sample Mean
6.E 11 011 013 015 017 019 023 025 501.XP 502.XP 503.XP 504.XP
6.TB 31 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031
Chapter 7: Hypothesis Testing: Significance, Effect Size, and Power
7.E 12 009 010 015 019 021 023 025 501.XP 502.XP 503.XP 504.XP 505.XP
7.TB 15 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015
Chapter 8: Testing Means: One-Sample t Test With Confidence Intervals
8.E 12 003 006 011 013 015 017 020 031 501.XP 502.XP 503.XP 504.XP
8.TB 37 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037
Chapter 9: Testing Means: Two-Independent-Sample t Test With Confidence Intervals
9.E 7 011 013 016 025 501.XP 502.XP 503.XP
9.TB 27 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 024 025 028 029 030 031
Chapter 10: Testing Means: Related-Samples t Test With Confidence Intervals
10.E 15 003 009 013 015 017 019 021 023 025 027 031 501.XP 502.XP 503.XP 504.XP
10.TB 34 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034
Chapter 11: One-Way Analysis of Variance: Between-Subjects and Within-Subjects (Repeated-Measures) Designs
11.E 22 003 013 014 015 018 019 022 025 031 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP 509.XP 510.XP 511.XP 512.XP 513.XP
11.TB 59 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059
Chapter 12: Two-Way Analysis of Variance: Between-Subjects Factorial Design
12.E 16 006 012 013 015 017 019 021 023 025 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP
12.TB 33 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033
Chapter 13: Correlation and Linear Regression
13.E 19 002 011 013 017 019 022 026 027 029 030 031 501.XP 502.XP 503.XP 504.XP 505.XP 506.XP 507.XP 508.XP
13.TB 50 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050
Chapter 14: Chi-Square Tests: Goodness-of-Fit and the Test for Independence
14.E 12 006 007 013 015 017 019 021 023 025 031 501.XP 502.XP
14.TB 30 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030
Total 666