In the context of diagnosing psychological disorders, a delusion is a(n) ____.

• A. persistent unwanted thought or urge
• B. false belief that is firmly held despite clear contradictory evidence
• C. involuntary movement or tic
• D. sudden episode of intense fear or discomfort

Answer: (B)

Verified step by step guidance

1. Understand the definition of a delusion in psychology: it is a belief or impression that is firmly maintained despite being contradicted by what is generally accepted as reality or rational argument.
2. Recognize that delusions are different from other psychological symptoms such as persistent unwanted thoughts (which are obsessions), involuntary movements (which are tics), or sudden episodes of intense fear (which are panic attacks).
3. Focus on the key characteristic of a delusion: it is a false belief that the person holds strongly, even when there is clear evidence that disproves it.
4. Compare the options given and identify which one matches the definition of a delusion based on the psychological understanding.
5. Conclude that the correct description of a delusion is 'a false belief that is firmly held despite clear contradictory evidence.'