Where is the linked post getting the 4:1 vs 1:2 time-spent-on-falsification ratios that it's claiming? It's like the heart of the entire argument, but it's not

Where is the linked post getting the 4:1 vs 1:2 time-spent-on-falsification ratios that it's claiming? It's like the heart of the entire argument, but it's not sourced. Edit: Ah, okay, it's probably in the book being discussed where he says they recorded thought process while playing ( https://www.amazon.com/Think-Like-Super-GM-Michael-Adams/dp/1784831670 https://www.amazon.com/Think-Like-Super-GM-Michael-Adams/dp/... ).