Hopeful signs.
There is a very hopeful side to this idea of self theories or mindsets. One of the things that Carol Dweck established early on in her research was that it was relatively easy to change a person's mindset from fixed to growth or entity to Incremental and vice versa, at least temporarily. In experiment after experiment it was made clear that a very simple intervention could change completely how people thought and acted, at least for the period of the experiment. Dweck identified a number of different sorts of intervention that could quickly help or induce people to have a more incremental self theory. They are: