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In an interview a candidate's blinking rate suddenly increases. What should this alone not be considered proof of?

Answer and explanation

Correct answer: Lying

The governing concept is that non-verbal behaviour is ambiguous and must be interpreted with context and multiple evidence sources. Rapid blinking can occur because of stress, discomfort, tiredness, eye irritation, lighting, or a normal physical response. It may accompany nervousness, but it cannot by itself establish deception. Therefore, option D is correct; options A, B, and C are possible explanations rather than definite conclusions.

Related tags

Rapid BlinkingNon-Verbal CommunicationDeception MythNon VerbalCommunication Skills IArtificial IntelligenceClass 9 Mcq

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