Change Log

The current version of this textbook is 1.4.6.

This version has been compiled on May 24, 2024.

This version was generated from Git commit #2a7869c1. All version controlled changes can be found on GitHub.

This page documents the changes to the textbook that were more substantial than fixing a typo.

Updates

March 22, 2024:

Updated CI figure in CH7, incorporated feedback LeFoll, updated references

February 21, 2024:

Added section on subgroup analyses, updates section on heterogeneity in CH 11

February 15, 2024:

Expanded section on “Why Effect Sizes Selected for Significance are Inflated” in CH 6

January 10, 2024:

Added the section ‘Deviating from a Preregistration’ in CH 13

October 15, 2023:

Incorporated extensive edits by Nick Brown in CH 4-6.

September 6, 2023:

Incorporated extensive edits by Nick Brown in CH 1-3.

August 27, 2023:

Add CH 16 on confirmation bias and organized skepticism. Add Bakan 1967 quote to CH 13.

August 12, 2023:

Added section on why standardized effect sizes hinder the interpretation of effect sizes in CH 6. Added Spanos 1999 to CH 1. Split up the correct interpretation of p values for significant and non-significant results CH 1. Added new Statcheck study CH 12. Added Platt quote CH 5.

July 21, 2023:

Added “Why Effect Sizes Selected for Significance are Inflated” section to CH 6, moved main part of “The Minimal Statistically Detectable Effect” from CH 8 to CH 6, replaced Greek characters by latex, added sentence bias is expected for papers that depend on main hypothesis test in CH 12.

July 13, 2023:

Updated Open Questions in CH 1, 2, 3, 4, 6, 7, 8 and 9. Added a figure illustrating how confidence intervals become more narrow as N increases in CH 7.

July 7, 2023:

Added this change log page.

June 12, 2023:

Added an updated figure from Carter & McCullough, 2014, in the chapter in bias detection, now generated from the raw data.

May 5, 2023:

Added the option to download a PDF and epub version of the book.

March 19, 2023:

Updated CH 5 with new sections on falsification, severity, and risky predictions, and a new final section on verisimilitude.

March 3, 2023:

Updated book to Quarto. Added webexercises to all chapters.

February 27, 2023:

Added a section “Dealing with Inconsistencies in Science” to CH 5.

October 4, 2022:

Added CH 15 on research integrity.