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.
Beginning this week (04/18/2011) Domino s Pizza changed the way that they reimburse its drivers for vehicle expenses. Before last week drivers received $1.15 per delivery (not enough), this week they have begun paying the drivers just 26 cents a mile. I will not claim to be the most intelligent person, however, even I can do the math to determine that we are being forced to pay part of the business operating expenses.