Norm-Referenced vs. Criterion-Referenced Tests. Norm-referenced tests are specifically designed to rank test takers on a âbell curve,â or a distribution of scores that resembles, when graphed, the outline of a bellâi.e., a small percentage of students performing well, most performing average, and a small percentage performing poorly.
1 7:45 a.m. : The family leaves the house and the thermostat is set to 56Â°F. 2  By turning their thermostat back 10Â° to 15Â° for 8 hours, the family can save 5% to 15% a year on their heating bill -- a savings of as much as 1% for each degree if the setback period is eight hours long.
First, determine how much the temperature in the oven is off from the control setting. To do this, put an oven thermometer on a center rack inside the oven and turn the oven on for about 20 minutes, with the thermostat set at any range between 300 degrees and 400 degrees Farenheit.n oven that won't heat or heats unevenly most likely involves a faulty control, thermostat, or timer. Don't worry because most of these problems can be handled yourself at minimal cost. When the oven setting control malfunctions, the oven won't heat. Here's how to repair an oven setting control: