Which of the following is an example to explain the principle unoccupied time feels longer than occupied time" for managing waiting lines? 

• Emergency department let patients and their families know what the waits are, why they have to wait, and what to expect to alleviate their anxiety
• Customers would accept longer wait at a popular restaurant
• Disney entertains customers while they are in line with tactics like strategically placed videos or characters in costume
• Hospitals encourage the involvement of family, friends, and cant others while the patients are waiting