When the light level of a computer screen is moderate, task performance scores are high. When the light level of the computer screen is either very low or very high, task performance scores are low. The relationship between the light level and performance is
A) negative linear.
B) positive linear.
C) curvilinear.
D) independent.

Question

Quizplus · Accepted Answer

The relationship described is curvilinear because performance increases with moderate light levels and decreases with both very low and very high light levels, indicating a non-linear relationship.

When the Light Level of a Computer Screen Is Moderate