Katrina Is Trying to Put a Coin into a Vending

question 178

Multiple Choice

Katrina is trying to put a coin into a vending machine in her office.Sometimes the machine will take a coin on the first try,and other times it can take up to five or six tries before the coin is finally accepted.On which type of schedule is inserting a coin into the vending machine reinforced in this example

• A) intermittent 
• B) short-delay 
• C) continuous 
• D) noncontingent

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Definitions:

Ventromedial Hypothalamus

A region of the brain involved in regulating hunger, satiety, and energy homeostasis.

Hypothalamus

A region of the brain that plays a central role in controlling mood, hunger, thirst, temperature, and other autonomic functions by regulating hormonal activity.

Stretch Receptors

Sensory receptors that detect changes in muscle length, contributing to the sense of body position and movement.

Duodenum

The first part of the small intestine immediately beyond the stomach, which receives partially digested food from the stomach and begins further digestion and nutrient absorption.