Mentorship and its research are led by business. Some robust measurement tools from business and education have been used to measure mentorship among nursing educators.

More specific tools for mentorship measuring different types of mentorship and different aspects have been developed in different areas, which gives nursing educators more choices.

Nursing researchers' started to develop their own measurement tools, but more effort needs to be invested in theoretical framework construction and psychometric evidence building.

No proper measurement tools to assess nursing students' mentorship in clinical learning have been identified.