In the following group discussion, which technique is chris using to strengthen his argument? chris: students are probably depressed from being alone in their dorm rooms too much. tavi: i don't think that has anything to do with the problem. chris: the article says that having televisions only in common areas builds a sense of community. i think that leads to more friends and fewer instances of depression. a. synthesizing various ideas b. supporting ideas with evidence c. establishing a focus d. refuting a claim

The correct answer is B. Supporting ideas with evidence

Explanation:

A discussion is a type of communication in which two or more participants exchange ideas, also, this communication has different phases and implies different strategies used by participants to explain and prove their points of view. In the case presented two participants (Tavi and Chris) discuss the possible causes of depression in students, about this Chris states this might be caused due to students spending time alone in their rooms and after Tavi states he does not consider that can be a cause, Chris makes reference to an article that states television in common areas and not in rooms  lead to fewer instances of depression, this shows Chris is not only stating his position but uses reliable evidence to support it and therefore the technique shown by Chris is "Supporting ideas with evidence".

●intensive purposes is the correct answer