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Observational Studies

Overview Observational studies are studies in which subjects are observed for the effect of

Bias

Definition A systematic error in collecting or interpreting observations found in the study design

Testing and Screening

Overview Diagnostic testing performance is measured in a variety of ways Sensitivity and specificity

Legal Principles

Introduction The following principles are intended to be applied only to a variety of

Ethical Principles

Core Ethical Principles There are 4 core ethical principles Autonomy   respecting patients as individuals