Aresearch study concludes that people hold accurate self-concepts, understand negative aspects of themselves, and use the positive aspects of personality to make reasonable decisions. this researcher probably focused on which big issue? question 6 options: rationality vs. irrationality nature vs. nurture stability vs. change

rationality vs. irrationality 

The researcher is most likely focused on the issue of rationality vs. irrationality. This is apparent because the researcher is investigating whether individuals make rational or irrational choices. In this case, a rational choice would be using the positive aspects of personality to make reasonable decisions. On the other hand, an irrational decision would be to use the negative aspects of personality to make decisions.