Raven is testing her ability to detect changes in weight. She finds that, when she has
nothing in her hands, it takes at least 1 ounce of weight for her to be able to perceive
any added weight. However, when she's already holding 1 pound, it takes 3 ounces
for her to notice a difference. Which of the following statements is true according to
threshold models of perception?
A) Her absolute threshold is 3 ounces of weight
B) Her absolute threshold is 1 ounce of weight
C) Her absolute threshold changes with added weight
D) Her Just Noticeable Difference doesn't change with added weight
