Evelyn turned the thermostat up from 24 °C to 25 °C; however, she doesn't think it feels any warmer and she wants to turn it up even higher. Her roommate thinks that it is now too hot, and she wants to turn the thermostat back down. Apparently Evelyn has

Question

Quizplus · Accepted Answer

The just noticeable difference (JND) is the smallest detectable difference between two stimuli. Evelyn does not detect a difference between 24 °C and 25 °C, meaning her JND for temperature is larger than her roommate's. This means that she needs a larger change in temperature to detect a difference. Therefore, the best choice is C, which states that Evelyn has a larger JND for temperature than her roommate does.

Evelyn Turned the Thermostat Up from 24 °C to 25