Dallas believes that he will never be successful enough or likable enough. his friends tell him that he is too hard on himself, yet his beliefs persist. dallas would benefit most from because his beliefs about himself are both negative and inaccurate.

Dallas believes that he will never be successful enough or likable enough. his friends tell him that he is too hard on himself, yet his beliefs persist. Dallas would benefit most from cognitive restructuring (CR).
because his beliefs about himself are both negative and inaccurate.
Cognitive restructuring (CR) is a psychotherapeutic process of learning used for countering negative moods.

It's considered to be association or connection