The results of a psychological research can be used for malignant purposes, such as fooling individuals through their emotions, using propaganda to change beliefs, and manipulating others through the media.
But it can also be used for good – which is what the question is asking. It is clear that from the available options, only (D) improving communication and relationships are an example of how psychological research is used for good.
Answer:
I think you have to ask you're teacher, not brainly because people on here can't answer this for you
