Bias in Medical Research by A. Indrayan

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Bias are possible in many ways in a research activity. Please see some of the bias mentioned by A. Indrayan in the book, Basic Methods of Medical Research by AITBS Publishers, J-5/6, Krishan Nagar, Delhi - 110051. Phone: 011-22549313, It is a simple and wonderful book for a beginning medical researcher. Varieties of Bias; bias in concept bias in design bias in selection of subjects bias due to concomitant medication or concurrent disease instruction bias length bias bias in detection of cases lead-time bias bias due to confounder contamination in controls Berkson's bias bias in ascertainment or assessment interviewer bias or observer bias instrument bias Hawthrone effect recall bias response bias repeat testing bias mid-course bias self-improvement effect digit preference bias due to non-response attrition bias bias in handling outliers recording bias bias in analysis bias due to lack or power interpretation bias reporting bias bias in presentation of results publication bias But the real value of a research finding is not based on its acceptance. Many findings were accepted by the people after long times of the findings. so I will add another one; bias in acceptance

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Dixon Thomas's picture
Author: Dixon Thomas


Hardik Soni's picture

Dear Friend, Thank you very much for sharing such a good information. With regards,

Leader - Ayurpreachers Hardik K. Soni M.Pharm (Ayu.)-Pharmacology R&D, Executive Vasu Research Centre

K.H.Ushadevi's picture

your information of bias in medical research is very useful to all pharmacy students and researchers who are going to start research.

k.h.ushadevi pharm.D

Nandini's picture

a very well elucidated information on bias. thank you for providing it.

with regards Nandini. TEAM ASSIMILATORS.

K Rajakrishna's picture

thank you for enriching our knowledge by citing a good source for further study.
Amol Dhiaman's picture

Realy a good informative blog.But i was not able to understand ( bias in handling outliers ) you know some examples of this bias???

Amol Dhiaman

Dixon Thomas's picture

Please also see the new stat book which is very easy to understand. Biostatistics for Medical, Nursing and Pharmacy Students by A. Indrayan. Published by Prentice-Hall of India, New Delhi Best regards

Mr. Dixon Thomas, M. Pharm, M. S., RPh Assoc. Prof., RIPER 


Sanket Shah's picture

Nice info sir thank you sanket shah
SS Md Shafi's picture

thanks for great info..

shafi ..

Seema Meena's picture

sir no doubt its very good but i want some more information regarding this so please can you clarify little bit.


Shruti Priya's picture

Dear Sir, Thank you very much for sharing this valuable information. I feel we will be benefitted by reading this book. Regards,

Shruti Priya

Mridula jayaraman's picture

dear sir , thank you so much for this valuable information. Regards,

mridula jayaraman

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