Table 1: Operational definitions.

TermDefinition

PeerA person with a comparable or slightly higher level of knowledge and experience to the learner. A person of any age can be a peer, that is, a third year student tutoring a first year student but the peer must be an undergraduate nursing student.
Peer learningGaining, refining, or improving knowledge from interaction with a peer as defined previously.
MentorA peer, who supports, guides, and educates a learner.
Undergraduate nursing studentA nursing student at any stage of study prior to registration.

Sources: [10, 14, 45, 4851].