Fred Is Afraid of Spiders

question 88

Multiple Choice

Fred is afraid of spiders. He won't even watch a nature show on TV about them. When he sees a picture of a spider, he has a panic attack, but when he avoids looking at the image, his panic goes away. Fred's avoidance of spiders is being

• A) extinguished because he feels anxious after doing so.
• B) recovered spontaneously because he will never get better.
• C) positively reinforced because he is rewarded by his anxiety going down.
• D) negatively reinforced because he is rewarded by his anxiety going down.
• E) positively reinforced because he will lose his fear of spiders in the long run.

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Definitions:

Colorblind

A condition where a person is unable to distinguish certain colors, typically due to the absence or malfunction of certain color-detecting cells in the eye.

Probability

A measure of the likelihood that an event will occur, often quantified as a number between 0 and 1.

Immune System

A complex network of cells, tissues, and organs that work together to defend the body against pathogens and diseases.

Antigen-presenting Cells

Specialized cells of the immune system that process and present antigens to T-cells, initiating an immune response.