Principles and Practice of Clinical Research (3rd Edition) Edit edition

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Association of American Medical Colleges Task Force stated that clinical research enables a better understanding of human diseases and helps to find out how to prevent or treat illness. Clinical research includes different categories.

a.Behavioral research

Clinical research includes behavioral research. Behavioral research helps to understand the cause of diseases. This is considered as a part of clinical research.

b. Health services research

Health services research studies the social factors, financial setup and organizational structurs in health sector. This helps to understand the accessability and cost of health care services. This is considered as a part of clinical research.

c. Epidemiology

Epidemiology is a part of clinical research which deals with the study of distribution and cause of health and disease in a population.

d. Disease mechanisms

Field of clinical research that deals with how a disease is affecting a person and how it is spreading.

e. Translational research

Field of clinical research that translates or applies researches and results in fundamental research to medical research that can be used to modify health systems.

f. Diagnosis and natural history of disease

Catogory of clinical research that studies a disease, from its onset in a human individual to complete recovery or death.

g. Therapeutic interventions including clinical trials

Field of clinical research that studies the effect of drugs and treatment on a disease.

h. Prevention and health promotion

Field of clinical research that deals with the prevention of a disease and healthy life style.

i. Community-based and managed care-based research

Another field of clinical reseach that considers the importance of social factors and differences in community in manageing diseases.

j. All of the above

All options given are right as all the fields are involved in clinical research. So this is the correct option.

Therefore, option is the correct answer.