The answer is : monocular depth
Monocular depth affect the perception that is held by an individual on<u> how far an object is located based on how big</u> the object look like in that individual's vision.
When the driver cross the railroad, the driver most likely thought that the train is still located far away form him/her because it looks small in the driver's perception. He misjudge it and caused the crash in the end.
Answer:
selective optimization with compensation theory
Explanation:
This theory by Baltes(1990) in symbolic interaction perspective suggests that as individuals get older they seem to try to get the best results from the most little efforts. In other words, an older elderly person with physical limitations seeks to optimize his gains as much as possible while putting as much little effort as is possible(within his physical ability) to compensate for other losses or range of goals that may not have been accomplished.