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Answering Questions with Data - Introductory Statistics for Psychology Students
This is a free textbook teaching introductory statistics for undergraduates in Psychology. This textbook is part of a larger OER course package for teaching undergraduate statistics in Psychology, including this textbook, a lab manual, and a course website. All of the materials are free and copiable, with source code maintained in Github repositories.
- Author
- Matthew J. C. Crump
- Publisher
- Brooklyn College of CUNY
- Source
- LibreTexts
- License
- CC BY-SA
- Language
- EN
- Category
- Information Technology
Contents· 119 sections
- 01: Why Statistics
- 1.01: On the Psychology of Statistics
- 1.02: The cautionary tale of Simpsons paradox
- 1.03: Statistics in Psychology
- 1.04: Statistics in Everyday Life
- 1.05: Theres More to Research Methods than Statistics
- 1.06: A brief Introduction to Research Design
- 1.07: Introduction to Psychological Measurement
- 1.08: Scales of measurement
- 1.09: Assessing the Reliability of a Measurement
- 1.10: The role of variables predictors and outcomes
- 1.11: Experimental and non-experimental research
- 1.12: Assessing the validity of a study
- 1.13: Confounds Artifacts and other Threats to Validity
- 1.14: Summary
- 1.15: Videos
- 1.16: References
- 02: Describing Data
- 2.01: This is what too many numbers looks like
- 2.02: Look at the data
- 2.03: Important Ideas - Distribution Central Tendency and Variance
- 2.04: Measures of Central Tendency (Sameness)
- 2.05: Measures of Variation (Differentness)
- 2.06: Using Descriptive Statistics with data
- 2.07: Rolling your own descriptive statistics
- 2.08: Remember to look at your data
- 2.09: Videos
- 2.10: References
- 03: Correlation
- 3.01: If something caused something else to change what would that look like
- 3.02: Pearsons r
- 3.03: Turning the numbers into a measure of co-variance
- 3.04: Examples with Data
- 3.05: Regression A mini intro
- 3.06: Interpreting Correlations
- 3.07: Summary
- New Page
- 04: Probability Sampling and Estimation
- 4.00: Prelude to Probability Sampling and Estimation
- 4.01: How are Probability and Statistics Different
- 4.02: What Does Probability Mean
- 4.03: Basic Probability Theory
- 4.04: The Binomial Distribution
- 4.05: The normal distribution
- 4.06: Other useful distributions
- 4.07: Summary of Probability
- 4.08: Samples populations and sampling
- 4.09: The Law of Large Numbers
- 4.10: Sampling distributions and the central limit theorem
- 4.11: The Central Limit Theorem
- 4.12: z-scores
- 4.13: Estimating population parameters
- 4.14: Estimating a confidence interval
- 4.15: Summary
- 4.16: Videos
- 4.17: References
- 05: Foundations for inference
- 5.01: Brief review of Experiments
- 5.02: The data came from a distribution
- 5.03: Is there a difference
- 5.04: Chance makes some differences more likely than others
- 5.05: The Crump Test
- 5.06: The randomization test (permutation test)
- 5.07: Videos
- 06: t-Tests
- 6.00: Prelude to t-Tests
- 6.01: Check your confidence in your mean
- 6.02: One-sample t-test A new t-test
- 6.03: Paired-samples t-test
- 6.04: The paired samples t-test strikes back
- 6.05: Independent samples t-test The return of the t-test
- 6.06: Simulating data for t-tests
- 6.07: Videos
- 6.08: References
- 07: ANOVA
- 7.01: ANOVA is Analysis of Variance
- 7.02: One-factor ANOVA
- 7.03: What does F mean
- 7.04: ANOVA on Real Data
- 7.05: ANOVA Summmary
- 7.06: References
- 08: Repeated Measures ANOVA
- 8.01: Repeated Measures Design
- 8.02: Partioning the Sums of Squares
- 8.03: Calculating the RM ANOVA
- 8.04: Things worth knowing
- 8.05: Real Data
- 8.06: Summary
- 8.07: References
- 09: Factorial ANOVA
- 9.00: Prelude to Factorial ANOVA
- 9.01: Factorial Basics
- 9.02: Purpose of Factorial Designs
- 9.03: Graphing the means
- 9.04: Knowing what you want to find out
- 9.05: Simple analysis of 2x2 repeated measures design
- 9.06: 2x2 Between-subjects ANOVA
- 9.07: Fireside chat
- 9.08: Real Data
- 9.09: Factorial summary
- New Page
- 10: More On Factorial Designs
- 10.01: Looking at main effects and interactions
- 10.02: Interpreting main effects and interactions
- 10.03: Mixed Designs
- 10.04: More complicated designs
- 11: Simulating Data
- 11.01: Reasons to simulate
- 11.02: Simulation overview
- 11.03: Simulating t-tests
- 11.04: Simulating one-factor ANOVAs
- 11.05: Other resources
- 12: Thinking about Answering Questions with Data
- 12.01: Effect-size and power
- 12.02: Power
- 12.03: Planning your design
- 12.04: Some considerations
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