Business managers are more likely to track the career achievements of those they once hired than the accomplishments of those they once rejected. this best illustrates

confirmation bias

Explanation:

Confirmation bias  refers to the tendency that most people have, including myself, to search for information or events that support our preconceptions.

For example, we believe that a certain car from a specific brand is the best car we can buy. Therefore we will search for information or events that help support our preconceived idea about that specific car being the best car for us. We will also look for information or events that help prove that other cars are not as good as the one we like.