The Effects of Executive Coaching on Behaviors, Attitudes, and Personal Characteristics: A Meta-Analysis of Randomized Controlled Trial Studies

Andreea Nicolau, Octav Sorin Candel, Ticu Constantin, Ad Kleingeld.
Coaching at Scale: Investigating the Efficacy of Artificial Intelligence Coaching
Nicky Terblanche, Joanna Molyn, Erik De Haan, Victor O. Nilsson
(2019) The Active Ingredients of Coaching

Erik de Haan – Director of the Ashridge Centre for Coaching, Hult International Business School, UK
Evidence-Based Coaching as a Supplement to Traditional Lectures: Impact on Undergraduates’ Goal Attainment and Measures of Mental Well-Being

Ofer I. Atad, Anthony M. Grant