According to Subpart D, research with children may be eligible for exemption under Category 2 when:

When the research involves the use of educational tests

Explanation:

The Common Rule defines practices which meet with human subjects the concept of research and are therefore not subject to the provisions of the rule.

Subpart D prohibits any use of children's exemptions as subject matter.

The types of exemptions which can be used with children include:

Studies conducted in educational settings developed or generally accepted, involving standard educational procedures Research about educational tests. Observations of children in public environments, ensuring that the researcher does not engage in the observed events.