Thread by @narasimha1988

Prof. Chittaranjan Andrade a great teacher of research methodology from #NIMHANS

I have a collection of his (simple) articles, which amounts to a stats textbook

A 🧵 (10/10) from my collection on must read articles
(Every resident doctor should know, RT for PGs)

1/10
Understanding the Basics of Meta-Analysis and How to Read a Forest Plot: As Simple as It Gets

doi.org/10.4088/JCP.20…

At the end: Basic understanding of Metanalysis and you will be able to read and understand forest plot

2/10
Mean Difference, Standardized Mean Difference (SMD), and Their Use in Meta-Analysis:
As Simple as It Gets
doi.org/10.4088/JCP.20…

3/10
Cause versus association in observational studies in psychopharmacology
doi.org/10.4088/JCP.14…

At the end:
Why RCTs are better than observational studies
You will understand what is matching, confounding
To know more about confounding: doi.org/10.4103/0019-5…

4/n
A primer on confidence intervals in psychopharmacology
doi.org/10.4088/JCP.14…
At the end: You will be confident in interpreting #confidentIntervals

5/n
Describing Research Design
Example: A drug trial may be described as being prospective,
longitudinal,
randomized,
double-blind, and placebo-controlled,
all at the same time
doi.org/10.4103/ijpsym…

6/n
Most researchers start with a KAP studies (inclduing me), so here is the one:

Designing and Conducting Knowledge, Attitude, and Practice Surveys in Psychiatry: Practical Guidance
doi.org/10.1177/025371…

At the end: U will be able to plan & conduct a KAP study properly

7/n
The numbers needed to treat and harm (NNT, NNH) statistics: what they tell us and what they do not
doi.org/10.4088/jcp.15…

8/n
Understanding
Relative risk
Odds ratio
and related terms: as simple as it can get
doi.org/10.4088/jcp.15…

Why Odds Ratios Can Be Tricky Statistics
doi.org/10.4088/jcp.18…

9/n
The P Value and Statistical Significance: Misunderstandings, Explanations, Challenges, and Alternatives
doi.org/10.4103/ijpsym…

10/n
Sample Size and its Importance in Research : doi.org/10.4103/ijpsym…
Internal, External and Ecological Validity:
doi.org/10.4103/IJPSYM…
Variables- Dependent, independent
doi.org/10.1177/025371…
Variables- categorical, continous
doi.org/10.1177/025371…

"On a parting note", the term he uses in most papers, some more relevant ones-
How to write a good abstract for a scientific paper or conference presentation
doi.org/10.4103%2F0019…
How to read a research paper: Reading between and beyond the lines
doi.org/10.4103/0019-5…