Which Statement Is True About Cross- Validation

question 63

Multiple Choice

Which statement is true about cross- validation.

• A) It examines whether the regression model continues to hold on comparable data not used in the estimation.
• B) A special form of validation is called double cross- validation where the sample is split into halves.
• C) It can be used for evaluating the model for chance variations in the data and other problems associated with regression.
• D) All of the above statements are true.

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Definitions:

Depressive Episode

A period characterized by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.

Contingency Management

A behavioral therapy approach that rewards individuals for demonstrating desired behaviors or achieving specific goals.

Nondepressive Activities

Activities undertaken to promote psychological well-being or alleviate symptoms of depression, focusing on lifting mood and increasing engagement with life.

Providing Sympathy

The act of showing understanding and compassion towards another person’s suffering or hardships.