A response to a text-based question should include a summary of existing research
This refers to the type of question which can only be answered by making reference to already existing text.
With this in mind, we can see that when we are faced with a text based question, then a response to this has to include the summary of existing research because it gives background information to help answer the question.
Read more about text based question here:
https://brainly.com/question/25950911