That was an interesting study! However, I was not very surprised with the results. Although most people think that the “Fair Pay” is the main reason that would an employee to keep working, I think it is not easy to do that without being surrounded with great people in a peaceful and creative environment. For me, I would say money is not everything and is not the ultimate goal that pushes me to work. Although there is no doubt that salary is an important point to look at, other points such as respectful project manager, knowledgable and motivated group members, etc. which in the end integrate to create the aimed “job satisfaction”.
I found this interesting article on the Harvard Business Review website:
https://hbr.org/1973/07/why-employees-stay