If You Cover the Penumbra with a Black Marker, the Perception

question 2

Multiple Choice

 If you cover the penumbra with a black marker, the perception of the border _____.

• A) remains constant
• B) changes from an illumination edge to a reflectance edge
• C) changes from a reflectance edge to an illumination edge
• D) can be predicted from the ratio principle

---

Definitions:

Problem Solving

The process of working through details of an issue to reach a solution, involving critical thinking and creativity to overcome obstacles.

Therapeutic Response

The positive change in health status following a treatment regimen.

Uncontrollably Laughing

A condition where an individual experiences sudden and involuntary episodes of laughter, which may not be connected to a traditional sense of humor or context.

Spontaneous Movement

Unplanned, involuntary, or natural movement occurring without conscious effort.