Psychology Capsules

Rhetorical devices are powerful techniques that enhance how we express ideas and influence audiences. This collection presents a wide range of methods—from building credibility and appealing to emotions to using repetition, contrast, and figurative language—that help speakers and writers craft compelling arguments and memorable messages. Learn how to apply these tools effectively to engage listeners, clarify points, and enrich your communication.

The exaggerated singsong adults use with infants looks silly but may be doing serious work. These approaches differ on the mechanism and the proof: how parents adjust speech to a baby's feedback, which sounds hold infant attention, and whether the research leans too hard on narrow Western samples. Comparing them shows what we truly know about talking babies into language.