Chapter 5. Analysing change data from outcome measures

[Introduction to “Outcome Measures and Evaluation in Counselling and Psychotherapy”, created 20/5/21, work in progress until book launch. Do not make use of anything you find here until this warning disappears after the launch.]

Headings

  • MOVING FROM NUMBERS TO STATISTICS: STARTING WITH PROCEDURES
    • Procedures 1: tabulation
    • Procedures 2: summary numbers, descriptive statistics
    • Procedures 3: visualising with graphs and plots
      • Cat’s cradle plot
      • Should have had heading here: “Jacobson plot”!
    • LOOKING AT LARGER DATASETS
      • Aggregating and summarising data with ratios: odds and odds ratios
      • Aggregating and summarising the data: more summary statistics
        • Histograms
        • Spread or distribution of data
        • Quartiles
        • Boxplots
    • USING SUMMARY STATISTICS TO COMPARE GROUPS: ESTIMATION AND ‘TESTS’
      • Estimation and confidence intervals
      • Tests: p values, significance and hypothesis testing