In the context of David Maister's principles about waiting proposed in "The Psychology of Waiting Lines," which of the following is true? Multiple choice question. Preprocess waits produce the most negative impact if the waits are due to a service failure. Anxiety tends to decrease when customers are given the option to choose from a multiple-line waiting situation. Customers experience intense anxiety when they are unsure how long they have to wait. In-process waits are viewed more negatively than preprocess waits if the waits are due to routine slowness of a process