Answer:
d) Rationalist and utilitarian
Explanation:
According to my research on different psychological perspectives, I can say that based on the information provided within the question the groups most likely to believe this are rationalists and ultilitarian. This is because rationalists believe that in using reasoning for making decisions, while utilitarian's believe in developing ethical behavior for being a productive part of society. Therefore these are the groups that will most likely believe that reasoning can lead to ethical behavior.
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