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Dr Ken Gillman

Critical independent evaluations in psycho-pharmacology

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Pearl: Casual inference and the ‘do-operator’

  • Post author:Ken Gillman
  • Post category:RCTs and Pearl
  • Post published:3 May 2026
  • Post last modified:3 May 2026

THE CREDENTIALS OF SCIENTIFIC EVIDENCE: REBALANCING THE EPISTEMOLOGICAL SCALES 9.2.7 Pearl: Causal inference and the ‘do-operator’ Abstract  This last commentary in the series gives a brief introduction to Pearl’s ‘causal…

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Generalisability, external validity

  • Post author:Ken Gillman
  • Post category:RCTs and Pearl
  • Post published:3 May 2026
  • Post last modified:3 May 2026

The Credentials of Scientific Evidence: Rebalancing the Epistemological Scales  Generalisability, external validity Abstract This commentary, part of a series critiquing the hegemony of Randomized Controlled Trials (RCTs), addresses the critical…

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The Credentials of Scientific Evidence Introduction

  • Post author:Ken Gillman
  • Post category:RCTs and Pearl
  • Post published:3 May 2026
  • Post last modified:3 May 2026

THE CREDENTIALS OF SCIENTIFIC EVIDENCE: REBALANCING THE EPISTEMOLOGICAL SCALESOverview of series Abstract The relative value of different kinds of scientific evidence appropriate for investigating medical science, including drug investigation and…

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Homogeneity and Simpson’s paradox

  • Post author:Ken Gillman
  • Post category:RCTs and Pearl
  • Post published:3 May 2026
  • Post last modified:3 May 2026

The Credentials of Scientific Evidence: Rebalancing the Epistemological Scales  9.2.2 Homogeneity and Simpson’s paradox Abstract This commentary critiques the reliance on Randomized Controlled Trials (RCTs) in psychiatric research by examining…

Continue ReadingHomogeneity and Simpson’s paradox
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Recent Posts

  • Generalisability, external validity
    3 May 2026/
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  • The Credentials of Scientific Evidence Introduction
    3 May 2026/
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  • Pearl: Casual inference and the ‘do-operator’
    3 May 2026/
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  • Lithium – Patient information
    14 November 1999/
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  • Lithium – Brief management protocol for doctors
    14 November 2003/
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PsychoTropical is a knowledge and education resource started by Dr Gillman about 20 years ago. It is neither connected with, nor influenced by, any financial backing or interest group of any sort. The opinions expressed relate to Dr Gillman’s special knowledge and expertise as a recognised world-expert in MAOIs and serotonin toxicity.

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