Final answer:
Role modelling is identified as the psychosocial function of mentoring, where mentors provide socio-emotional support and serve as behavioral examples for their mentees.
Step-by-step explanation:
The psychosocial function of mentoring involves the socio-emotional support, personal development, and enhancement of interpersonal skills within the mentor-mentee relationship. Of the options provided, E) Role modelling embodies a psychosocial function, as mentors serve as behavioral and ethical examples for their mentees. This aspect of mentoring supports the protégé's personal and professional identity development by demonstrating values, attitudes, and behaviors that contribute to professional success and personal fulfillment.
Mentoring also provides a sense of connection, reduces isolation, and helps address discrimination or biases that may be present in the workplace, which particularly supports the career success of underrepresented groups, including women.