A university reduces tuition by 10% to attract more applicants.

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Multiple Choice

A university reduces tuition by 10% to attract more applicants.

The main idea here is that to show a price change (tuition cut) caused more people to apply, you want evidence that the outcome happened after the change in price. Observing a significant rise in applications after the tuition was reduced directly links the change to the effect, and the temporal sequence supports a causal relationship: the price cut comes first, applications rise afterward. The other statements don’t establish that link. A boost in reputation could happen for other reasons and isn’t proof the price cut caused more applications. Publicizing the reduction helps people know about it, but doesn’t by itself show that applications increased. If the discount only applied to graduate programs, it wouldn’t explain a broad increase in overall applications. So the best evidence is that applications rose after the tuition cut.

The main idea here is that to show a price change (tuition cut) caused more people to apply, you want evidence that the outcome happened after the change in price. Observing a significant rise in applications after the tuition was reduced directly links the change to the effect, and the temporal sequence supports a causal relationship: the price cut comes first, applications rise afterward. The other statements don’t establish that link. A boost in reputation could happen for other reasons and isn’t proof the price cut caused more applications. Publicizing the reduction helps people know about it, but doesn’t by itself show that applications increased. If the discount only applied to graduate programs, it wouldn’t explain a broad increase in overall applications. So the best evidence is that applications rose after the tuition cut.

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