Consider a game theory study by J. Sayer Minas, Alvin Scodel, David Marlowe, and Harve Rawson. The study itself is behind a paywall
I think we are talking about Some descriptive aspects of two-person non-zero-sum games which is openly available at https://journals.sagepub.com/doi/pdf/10.1177/002200276000400204?casa_token=2Tu4lDl7sxoAAAAA:hZAPPiOyqZmfCINGNs8a-zu1O-1vA4oXu4JJ3MD1XTwywyNaeNuPs6AJyXIeToTNePHyczLcfBVsLQ
I think we are talking about Some descriptive aspects of two-person non-zero-sum games which is openly available at https://journals.sagepub.com/doi/pdf/10.1177/002200276000400204?casa_token=2Tu4lDl7sxoAAAAA:hZAPPiOyqZmfCINGNs8a-zu1O-1vA4oXu4JJ3MD1XTwywyNaeNuPs6AJyXIeToTNePHyczLcfBVsLQ