Exempt review-

lowest level of IRB review, for studies for studies with minimal risk or human subject involvement

Expedited review-

middle level of IRB review, for studies with minimal risk but greater human subject involvement

Full board review-

highest level of IRB, for studies with greater than minimal risk to participants

Vulnerable populations-

groups of people who receive additional protection during IRB review

Anonymity-

the identity of research participants is not known to researchers

Confidentiality-

identifying information about research participants is known to the researchers but is not divulged to anyone else

Informed consent-

a research subject’s voluntary agreement to participate in a study based on a full understanding of the study and of the possible risks and benefits involved