Answer :
We can actually infer here that the text describe most previous scientific research in the field of psychology in the following way: B) It focused on improving the lives of very depressed people.
What is scientific research?
Scientific research actually refers to the process by which scientific theories and concepts are investigated and evaluated.
Thus, we see that correct answer is option B.
Learn more scientific research on https://brainly.com/question/968894
#SPJ2