Final answer:
Chris, writing about his biggest success, is most likely to engage in self-esteem-protective cognitive strategies.
Explanation:
Self-esteem-protective cognitive strategies refer to techniques individuals use to maintain or enhance their self-esteem. In the context of the question, Chris, who has just finished writing an essay about the biggest success in his life, is most likely to engage in self-esteem-protective cognitive strategies. This is because reflecting on one's biggest success can boost self-esteem by focusing on positive achievements and experiences which in turn can help protect one's self-image.
Learn more about Self-esteem-protective cognitive strategies here:
https://brainly.com/question/39067790