On a job site, a whistle blows at 12 noon to indicate lunch break. For the workers, the whistle acts as a

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Quizplus · Accepted Answer

The whistle is a positive, secondary reinforcer because it is a learned signal that indicates the start of a lunch break, which is a positive event for the workers. It is not inherently reinforcing like food or water (primary reinforcers) but has acquired its reinforcing properties through association.

On a Job Site, a Whistle Blows at 12 Noon