single-blind study. single-blind study. Etymology: L, singulus, one by one; AS, blind + L, studere, to be busy. an experiment in which the person collecting data knows whether the subject is in the control group or the experimental group, but subjects do not. See also double-blind study.
The suit alleges that Pizza Hut's mandatory delivery fees give customers the impression that they are part of the tip, but drivers receive no portion of it, says the Associated Press.he Hut isn't the only pizza chain to get backlash from employees on shady fee practices: Last year, U.K. chain Pizza Express came under fire for keeping 8 percent of its workers' credit card tips, which it claimed was to cover credit card processing fees.
Trucking carriers impose additional costs to ship to a residential address. The additional fee is because shipping carriers are not allowed to use 18 wheelers on residential streets. The carrier must transfer your order to a smaller truck to deliver to a residential address. Commercial/Business Address Delivery: Trucking carriers do not charge an additional fee to deliver to a business address. Commercial/business deliveries must provide a forklift or loading dock along with personnel to unload the order at regular business hours.