A Valid and Applicable Measurement Method for Knowledge Worker Productivity
Heidary Dahooie, J., Ghezel Arsalan, M. R., & Zolghadr Shojai, A. (2018). A valid and applicable measurement method for knowledge worker productivity. International Journal of Productivity & Performance Management, 67(9), 1764–1791.
This article discussing past methods research has used to measure the worker productivity of knowledge workers and proposes what they believe is a better measure. Suppose you pick worker productivity as one of the two constructs you want to present. In that case, consider focusing on knowledge worker productivity, as there is a lot of recent scholarly research.