Certified in Public Health (CPH) Practice Exam

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What characterizes anonymous data?

  1. Identifying information was collected

  2. Identifying information was linked

  3. Identifying information was retrieved

  4. Identifying information was not maintained

The correct answer is: Identifying information was not maintained

Anonymous data is characterized by the absence of any identifying information that could be used to link the data to an individual. This means that no personal data, such as names, addresses, or other identifiers, is preserved alongside the data collected. The primary purpose of using anonymous data is to protect individual privacy, allowing data to be analyzed without exposing the identities of the subjects involved. In contrast, if identifying information was collected, linked, or retrieved, the data would not be considered anonymous, as these practices would enable the possibility of tracing the data back to specific individuals. Therefore, not maintaining identifying information ensures that the data remains truly anonymous, facilitating ethical research and safeguarding participant privacy.

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