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To measure the validity of a test, an investigator might determine whether
Manic
Relating to or affected by mania, a mood state characterized by excessive energy, excitement, euphoria, and sometimes delusions.
Normal Depression
Refers to feelings of sadness or low mood that are common and not indicative of a clinical disorder.
Survival
The act or process of continuing to live or exist, typically in spite of an accident, ordeal, or difficult circumstances.
Reproduction
The biological process by which new individual organisms are produced, ensuring the continuation of a species.
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