The Following Questions Refer to the H-R Diagram Below That

question 48

Multiple Choice

The following questions refer to the H-R diagram below that shows the life track of a 1-solar-mass star,with various stages labeled with Roman numerals.

-During which stage does the star have an inert (nonburning) helium core?

• A)iii
• B)iv
• C)vi
• D)vii
• E)viii

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Definitions:

Extinction

The gradual weakening and eventual disappearance of a conditioned response.

Avoidance

A coping mechanism involving the action of staying away from certain situations, activities, or people to prevent discomfort or anxiety.

Spontaneous Recovery

The reappearance of a previously extinguished conditioned response after a period of no exposure to the conditioned stimulus.

Higher-Order Conditioning

A form of learning where a stimulus is paired with a previously conditioned stimulus, causing the new stimulus to elicit the conditioned response without a direct association.