What is the purpose of limiting pull-ups during a backing skills test?

The purpose of limiting pull-ups during a backing skills test is to evaluate precision in backing. This aspect of the test is crucial because it assesses the driver's ability to maneuver the vehicle in reverse accurately and safely, ensuring that they can maintain control and judge distances effectively. By restricting how many times a driver can reposition the vehicle with pull-ups, the assessment focuses on the driver's skill in executing the backing maneuver in a more challenging scenario, which requires concentration and precise handling. This limitation mirrors real-world situations where having multiple chances to correct positioning is not always possible, thus providing a more realistic evaluation of a driver's backing capabilities.