Anastasia Replaced All the 60-Watt Light Bulbs in Her House

Multiple Choice

Anastasia replaced all the 60-watt light bulbs in her house with 40-watt light bulbs.She claims that the 40-watt bulbs give off the same amount of light, and yet her husband Boris claims that the 40-watt bulbs give off far less light.Based on research conducted by psychophysicists, you should conclude that compared to Anastasia, Boris has:

A) a higher adaptation level for light
B) a lower absolute threshold for light
C) a lower difference threshold for light
D) a higher absolute threshold for light