I try to find some measures for "task types". We have lots of work on job characteristics such as job complexity, autonomy, and etc. But I could not find good literature on "task types".
Although I have no direct interest in this approach, recently I read an interesting article on the topic of Cynthia Lee doi: 10.5465 / AMR.1985.4278235.
Wildman, J. L., Thayer, A. L., Rosen, M. A., Salas, E., John, E., & Rayne, S. R. (2012). Human Resource Development Review. http://doi.org/10.1177/1534484311417561