Specifically what I am seeking to study is those in supervisory roles motivations as it relates to their subordinates. If you are aware please share the measure and related literature associated with it.
A Contribution to the Validation of the Motivation to Lead Scale (MTL): A Research in the Italian Context. Bobbio, Andrea; Rattazzi, Anna Maria Manganelli; Leadership, Vol 2(1), Feb, 2006 pp. 117-129. Publisher: Sage Publications;
Investigating the validity of the Conditional Reasoning Test for Leadership. Wright, Mary Ann; Dissertation Abstracts International: Section B: The Sciences and Engineering, Vol 73(6-B) pp. 4003. Publisher: ProQuest Information & Learning;
Measuring the efficacy of leaders to assess information and make decisions in a crisis: The C-LEAD scale. Hadley, Constance Noonan; Pittinsky, Todd L.; Sommer, S. Amy; Zhu, Weichun; The Leadership Quarterly, Vol 22(4), Aug, 2011 pp. 633-648.
The motivation for transformational leadership scale: An examination of the factor structure and initial tests. Gilbert, Stephanie; Horsman, Patrick; Kelloway, E. Kevin; Leadership & Organization Development Journal, Vol 37(2), 2016 pp. 158-180.