What method of characterization is used when Dexter is described as Willing Intelligent Quiet Honest Grateful by Mr Jones?

The method of characterization used in this description is direct characterization. This approach involves the author explicitly stating the traits and qualities of a character, in this case, Mr. Jones describing Dexter's attributes. By using specific adjectives, the reader gains a clear understanding of Dexter's personality and moral values without needing to infer them from actions or dialogue.