[mballantyne]

An academic paper summarizing studies on the effect of attitude interventions like those discussed in the OP:

https://labs.la.utexas.edu/adrg/files/2013/12/REVIEW-OF-EDUC...

Positive feelings of belonging and capability seem to be a surprisingly powerful form of race and class based privilege.

[205guy]

It's not just "like" the OP, that IS the academic paper by the psychology professor in the article about the work mentioned in the article.