This manual introduces the reader to research planning and the different aspects of research designs. It allows the reader to gain experience in construction of research proposals and critical appraisal. The reader will be acquainted with skills in questionnaire design, data collection, interviewing techniques and Validity and reliability of diagnosis in medical practice. Skills in data analysis, presentation and interpretation will be gained. Ethical issues in medical research will be highlighted. This book is used by students and practitioners across a broad range of health professions, including medicine, nursing, pharmacology, physiotherapy, pathology, podiatry, occupational therapy, orthopedics, behavioral science, medical records, administration, and others. Practicing physicians, residents and students should see it as a practical guide. Statistical concepts are presented without reliance on mathematics. Addition of self-assessment true or false and multiple choice questions at