operandum

English

Etymology

(deprecated template usage) [etyl] Latin

Noun

operandum (plural operanda)

1. A lever, key or device installed in a operant chamber, upon which the "subject" exerts its responses. Sometimes referred to as a manipulandum. In the prototypical operant conditioning experiment, a rat (the subject) presses upon a lever (the operandum) which triggers the delivery of food (the reward or reinforcer).

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Latin

Participle

(deprecated template usage) operandum

1. nominative neuter singular of operandus
2. accusative masculine singular of operandus
3. accusative neuter singular of operandus
4. vocative neuter singular of operandus