Association for the Accreditation of Human Research Protection Programs. The Association for the Accreditation of Human Research Protection Programs, Inc., (AAHRPP) works to protect the rights and welfare of research participants and promote scientifically meritorious and ethically sound research by fostering and advancing the ethical and professional conduct of persons and organizations that engage in research with human participants. AAHRPP achieves its mission by using an accreditation process based on self-assessment, peer review, and education.