John's Mother Wants Her Son to Stop Crying Every Time

question 16

Multiple Choice

John's mother wants her son to stop crying every time something goes wrong. Following a psychologist's advice, she stops running to comfort John whenever the boy starts crying over some minor incident. After a few weeks, she notices that John cries much less frequently than he used to. This is an example of

• A) positive reinforcement.
• B) negative reinforcement.
• C) punishment.
• D) extinction.

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Definitions:

PLC Input Interface

The PLC input interface is the component of a Programmable Logic Controller (PLC) where data from external devices is received and converted into a format that the PLC can process.

Field Devices

Equipment such as sensors, actuators, and transmitters located in the operational environment, directly interacting with the process or physical phenomena being controlled.

Processor

The central part of a computer or other digital systems that interprets and executes instructions.

Hand-Held Programming

The use of portable devices to program or configure machinery and equipment directly on the plant floor.