In a speech about college dropout rates to her college speech class, penny states: "look around you. research shows that 59% of college students will never graduate college. that means half of this class will not get their degree." which attention-getting device is penny using?

startling statistic

Explanation:

Startling statistic gives numbers or percentages about a situations which shocks those who see or hear about those numbers because it usually shows how worse the situation has been.

This is usually used to capture the attention and influence change from people as they see these shocking results which they may not be aware of.

They will probably listen to him in order to hear what ideas he has which can be useful to these alarming statistics.

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