Research shows the impact of coaching principles

From increasing resilience and motivation to helping clients access a metaview

Coaching Can Impact a Range of Skills and Perspectives

Positive coaching employs novel tools and approaches that can help clients see the big picture, have motivation to pursue lofty goals, increase engagement, a sense of accomplishment and purpose; foster resilience, and increase empathy and feelings of safety, which activates the stress-reduction system.[1] Additionally, coaching can increase self-awareness, while decreasing self-limiting beliefs by employing multiple perspectives.[2]

For a deeper dive, the Harvard University's Institute of Coaching features academic research articles, conferences, and workshops.

[1] https://greatergood.berkeley.edu/article/item/the_neuroscience_of_good_coaching;

http://psycnet.apa.org/record/2018-09962-002;

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4853380/

[2] https://link.springer.com/article/10.1007/s11606-014-3144-y