Question

the approach to psychological research that, instead of studying mental illness, studies such things as happiness, character strengths, and healthy emotions is called positive thinking. positivism. positive health modeling. positive psychology.

Explanation:

Positive psychology focuses on positive aspects like happiness, character strengths, and healthy emotions, contrasting with traditional psychology's emphasis on mental illness. Positive thinking is a mindset, positivism is a philosophical approach, and positive health modeling is not a standard term in this context.

Answer:

positive psychology.