Research Methodology

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Recently published articles about Research Methods and Statistics

JCP
Relative Risk of Breast Cancer Associated With Prolactin-Increasing Antipsychotic Use
Letter to the Editor

January 22, 2024

The authors provide additional relative risk data in response to Dr Andrade’s comments on their study.
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The Weekly Mind Reader: The Power of Meta-Analysis
news

December 8, 2023

A clear explanation of meta-analysis to help clinicians read, understand, and process the importance of the research they read.
3 Key Updates on AI in Mental Health
news

December 4, 2023

The use of artificial intelligence in mental health shows promise, with governments focusing on ethical and effective implementation.
New Study Shows Rats Possess Power of Imagination Similar To Humans
news

November 7, 2023

A new study shows that clever rats can think ahead, paving the way for futuristic brain-tech based on insights into rodent imagination.
How Brain Networks in Recovered Psychosis Patients May Help Predict Relapse
news

October 4, 2023

An investigation into brain network biomarkers in psychosis patients could help predict relapse and guide treatment strategies.
JCP
Using Percentiles to Understand Standardized Mean Difference as a Measure of Effect Size
Clinical and Practical Psychopharmacology

August 7, 2023

Chittaranjan Andrade, MD, explains the use of SMDs as a measure of effect size. A recent meta-analysis of the effect of ChEIs on hallucinations and delusions in Alzheimer and...
A Handy Visual Guide to Medical Research Terms
news

July 3, 2023

A helpful statistical definition refresher inspired by the work of Chittaranjan Andrade, MD, to help you understand scientific findings.
JCP
Understanding Misunderstandings About the Relative Risk and Odds Ratio
Clinical and Practical Psychopharmacology

June 5, 2023

Using simple concepts and arithmetic, Chittaranjan Andrade, MD, teaches readers how to derive and interpret relative risk and odds ratios.
JCP
Understanding 95% Confidence Intervals Around Relative Risk, Odds Ratio, and Hazard Ratio
Clinical and Practical Psychopharmacology

May 31, 2023

Dr Chittaranjan Andrade explains, in simple terms, an important concept: how to interpret 95% CIs for statistics expressed along an exponential scale.
JCP
NNT, NNH, and LHH for Lumateperone
Original Research

March 6, 2023

The benefit-risk assessment of lumateperone was favorable as measured by number-needed-to-treat and number-needed-to-harm analyses.
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JCP
Positive Predictive Value
Commentary

August 24, 2022

In this Commentary, the author posits that knowledge about positive predictive value—the probability a person identified as ill by a screening test does indeed have the illness—is important for...
JCP
A Mirror-Image Trial or Smoke and Mirrors? Phase 3b Study on Digital Aripiprazole
Letter to the Editor

August 3, 2022

This letter comments on methodological aspects of a recent study by Cohen et al.
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Consensus Report on XT Use in Practice

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Figure: Graphic promoting Consensus Report on Xanomeline-Trospium; colorful net design shown with JCP logo in lower left.

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