Honest question: what science? Any good papers you could recommend?
After a quick search it seems that NPS originated in a Harvard Business Review article, which I don't consider a credible source of scientific results. The scientific papers I'm seeing mostly seem pretty skeptical, judging from the abstracts.
After a quick search it seems that NPS originated in a Harvard Business Review article, which I don't consider a credible source of scientific results. The scientific papers I'm seeing mostly seem pretty skeptical, judging from the abstracts.