This research effort examines the overall effectiveness of cognitive task analysis across studies, domains, and practitioners in relation to other means of identifying and representing instructional content.
Full Reference:
Tofel-Grehl, C. & Feldon, D. F. (2013). Cognitive task analysis-based training: A meta-analysis of studies. Journal of Cognitive Engineering and Decision Making, 7(3), 293-304. https://doi.org/10.1177/1555343412474821.