Researchers Condition a Flatworm to Contract When Exposed to Light

question 67

Multiple Choice

Researchers condition a flatworm to contract when exposed to light by repeatedly pairing the light with electric shock. The electric shock is a(n)

• A)negative reinforcer.
• B)conditioned stimulus.
• C)conditioned reinforcer.
• D)unconditioned stimulus.

---

Definitions:

Social Rejection

The experience of being excluded or dismissed by individuals or a group, which can lead to feelings of loneliness, sadness, or low self-esteem.

Chronic Depression

A prolonged state of depression, also known as dysthymia or persistent depressive disorder, characterized by a persistent low mood and other symptoms lasting for two years or more.

Compulsive Fretting

An uncontrollable and persistent worry about minor or major concerns often leading to stress and anxiety.

Overthinking

The process of thinking about something too much or for too long, often leading to unnecessary worry or anxiety.