Most people already know that Tums, a popular antacid, contains calcium. Today, ads for Tums stress both the fact that it can be used as a calcium supplement and the health benefits of calcium. The new promotion involves changing consumers' attitudes toward Tums by:

The correct answer is Changing the perceived importante of a specific attribute.

Explanation:

Remembering a definition of perceived quality, we can say that it is the consumer's perception of the superiority or excellence of a product.

On this occasion I want to highlight that first sensation that consumers take about what we perceive in a brand, that is, what we have heard so many times say: the first impression is what counts.

When a brand has worked on the aspects related to projecting a notable perceived quality, it must have worked equally well in managing the expectations that this causes.