Which technique best signals a shift in tone within a poem?

• A. Frequent typos in the text.
• B. A change in diction and imagery.
• C. A sudden increase in line count.
• D. A change in font style.

Answer: (B)

The strongest signal of a shift in tone is a change in diction and imagery. Tone is the speaker’s attitude toward the subject, and the clearest way that attitude moves from one mood to another is through how things are described. If the poet starts with lofty, formal word choices and bright or serene images, and then later uses simpler, harsher words or harsher, more visceral images, the reader feels the attitude flip—from respect or awe to irony, anger, or disillusion, for example. Diction shapes mood directly: new connotations carry emotional weight, guiding how we “hear” the speaker’s stance. Imagery works the same way by altering what sensory details are foregrounded; shifting from peaceful, comforting pictures to stark, unsettling ones telegraphs a change in how the subject is being treated.

Other options don’t signal this shift as reliably. Typos aren’t purposeful deltas in tone and often indicate error or a voice that’s not controlled, which isn’t about a deliberate tonal turn. A sudden increase in line count changes pacing and rhythm more than the speaker’s attitude. Changing font style is a formatting feature, not part of the poem’s spoken or written content, so it doesn’t reflect a shift in tone within the poem itself.