Contents

    1. My Experience with Statistics
    2. The Philosophy Behind this Little Book
      1. Causality and Statistics
      1. Big Idea 1: Aggregation
      2. Big Idea 2: Variation
      3. Big Idea 3: Modelling
      4. Big Idea 4: Uncertainty
      5. Big Idea 5: Sampling from a Population
      1. How is it Different from SPSS and Other Statistical Software out There?
      2. How is it Different from R (a Statistical Programming Language)?
      1. Windows
      2. macOS
      3. Other Operating Systems
      4. Getting Started
      1. Copy and Paste Feature
      1. Variables
      2. Filter
      1. Loading Data from .csv Files
      2. Loading SPSS Files
      3. Loading Excel Files
      1. What do we Mean by Psychological Measurement?
      2. Variables that we Study in Psychological Research
      3. How do we Measure These Psychological Constructs?
      4. Levels of Measurement
      5. Discrete Versus Continuous Measurements
      1. Reliability
      2. Validity
      1. Experimental Research: Understanding the Causes of Behaviour
      1. How we Think Science Should Work
      2. How Science (Sometimes) Actually Works
      1. Questionable Data Practices
      2. Small Sample Sizes
      3. Results may be True for Some People, in Some Circumstances
      4. Systemic Issues
      1. Why do we Need to Visualise Data?
      2. Plotting Frequencies
      1. The Mean
      2. Mode
      1. Variance and Standard Deviation
      2. Range
      3. Homogeneity of Variance
      1. What is a Model?
      1. Modelling Height Using a Single Number
      2. Using the Mean as the Model
      3. Summarising Data Robustly Using the Median
      1. How do we Sample?
      1. Null Hypothesis Statistical Testing
      1. Confidence Intervals
      2. Effect Sizes
      3. Statistical Power
      1. What is the General Linear Model?
      1. Covariation and Correlation
      2. Linear Regression
      1. Comparing a Mean to a Target Value
      2. Comparing Two Means
      3. Comparing Paired Observations
      4. Comparing More than Two Means
      1. Getting Help
      1. What is Objectivity and Value Neutrality?
      2. Conclusion