Research Methods for Medical Graduates

Abhaya Indrayan, Ph.D.

Professional Identity: Retired Professor and former Head of Department of Biostatistics & Medical Informatics at a leading medical college in Delhi, India. Currently works as a Biostatistics Consultant.

Core Expertise & Focus Areas:

• Medical biostatistics and statistical methods for epidemiology, clinical research, public health and health sciences.

• Designing and teaching biostatistics curricula for medical, nursing, pharmacy and allied health students.

• Guiding research methodology, data analysis, sample-size calculation, survival analysis, regression and statistical inference in medical and health-related research.

• Interpretation of medical and epidemiological data to support reliable, evidence-based decision making in public health and clinical practice.

Key Contributions & Publications:

• Author of the comprehensive textbook Medical Biostatistics, widely regarded as one of the most complete and user-friendly references for medical and health sciences statistics.

• Writer of Concise Encyclopedia of Biostatistics for Medical Professionals, a resource that explains over a thousand statistical terms and concepts in accessible language for medical practitioners and students.

• Author/co-author of textbooks and guides on medical research methods, applied statistics for MBBS, nursing and allied health students — making advanced statistical concepts approachable for non-statistician health professionals.

Why His Work Is Valued:
Abhaya Indrayan bridges the gap between complex statistical theory and practical medical research. His writing simplifies statistical methods, making them understandable and usable for doctors, researchers and students. For anyone undertaking clinical research, public health studies, or medical data analysis — his books offer clarity, practicality and methodological rigor.

Ideal Audience:

• Medical, nursing or pharmacy students learning biostatistics for the first time.

• Health-science researchers and clinicians needing reliable statistical guidance for research, epidemiological studies or clinical trials.

• Academics and educators designing curricula or teaching biostatistics in medical and allied health institutions.