Weitkunat, R., G. Baker, and F. Lüdicke. “Intention-to-Treat Analysis But for Treatment Intention: How Should Consumer Product Randomized Controlled Trials Be Analyzed?”. International Journal of Statistics in Medical Research, vol. 5, no. 2, June 2016, pp. 90-98, doi:10.6000/1929-6029.2016.05.02.3.