The commitment and consistency bias refers to the idea that people assume less change in their attitudes and beliefs than really occurs. The consistency bias, also known as the commitment bias, is believing one's past and present attitudes are similar.

In other words, we hold on to our initial decision even when we’re presented with new information that contradicts it.

This is why when running ads on Google, Facebook, they ask you what your goal is? ( Traffic, Conversion etc), because these ad companies know who is more likely to take a certain action regardless of what is presented to them. ( So yo burn your ad $ fast )