In the political ads for Representative Joe Smith, the Democratic candidate, he is portrayed by the Republican-sponsored ads as being dishonest and poor at his job. Yet, the ads for Joe Smith, which are paid for by the Democratic supporters, describe him as being caring, honest, and a hard worker. The sponsors of these advertisements know that ads can affect whom voters choose on Election Day. This tendency of decision makers, the voters in this case, to be influenced by how a situation or problem is presented to them is known as ____.
Select one of the following: