The following definitions are derived from 45 CFR 46.
Research is a systematic investigation, including research development, testing and evaluation, designed to develop or contribute to generalizable knowledge. Activities which meet this definition constitute research for purposes of this policy, whether or not they are conducted or supported under a program which is considered research for other purposes. For example, some demonstration and service programs may include research activities.
A human subject is a living individual about whom an investigator (whether professional or student) conducting research obtains
Data through intervention or interaction with the individual, or