hard · GRE Verbal
A studies of residential energy use found that homeowners who installed smart thermostats, which automatically adjust temperatures to save energy, saw an average increase of 10% in their monthly electricity bills.
Which of the following, if true, most helps to resolve the paradox?
- Homeowners with smart thermostats felt less guilty about the cost of cooling their homes and began keeping them 3 degrees colder.
- The smart thermostats require a constant home internet connection, and that always-on Wi-Fi link draws a small trickle of extra electricity each month.
- Electricity rates across the region climbed by about five percent during the same year the smart-thermostat study was conducted.
- Most smart thermostats cost noticeably more to buy and install upfront than the simpler manual thermostats they are designed to replace.
- The smart thermostats were deliberately designed to be simple enough for ordinary homeowners to mount and configure themselves without professional help.
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