Under what condition can research with children be eligible for exemption according to Subpart D?

Research with children can be eligible for exemption under Subpart D when it involves educational tests, such as assessments that evaluate educational attainment or school performance. This exemption is based on the principle that educational tests generally pose minimal risk to participants, making them suitable for exemption from certain regulatory requirements.

Educational tests are often viewed as non-intrusive and not likely to affect the children's psychological or social status negatively. This consideration reflects the overarching goal of protecting vulnerable populations, especially children, by ensuring that research does not expose them to unnecessary risks. The focus on educational assessments aligns with ethical standards in child research, which prioritize the welfare and rights of young participants.

In contrast, the other options—physiological tests, medical procedures, and psychological evaluations—tend to involve greater potential risks, ethical concerns, and complexities that typically require more stringent oversight. Therefore, they are not eligible for exemption under these specific criteria.