The purpose of this article was the design and construction of an instrument (test) to evaluate the potential of workers’ managerial skills, considering the dimensions: development of self-knowledge, stress management and well-being, creative problem solving, management of conflict, worker motivation, supportive communication, gaining power and influence, building effective teams, leading positive change, and empowerment and delegation. The research is instrumental, with a quantitative approach, a non-experimental cross-sectional design and a descriptive level. The 50 items of the instrument under construction were subjected to Expert Judgment and the average value of the Aiken Coefficient V = 0.962 was obtained, which indicates high content validity. In the Item correlation - Total correlation of corrected items, values between 0.40 and 0.69 were obtained, meaning that the test has in...