Josiah Checks His Electronic Mail Several Times Throughout the Day

question 95

Multiple Choice

Josiah checks his electronic mail several times throughout the day. Some days there is mail each time he checks; sometimes several days go by with no new messages arriving. In this example, Josiah's behaviour of checking his electronic mail is being reinforced on

• A) a variable-interval schedule.
• B) a fixed-ratio schedule.
• C) a fixed-interval schedule.
• D) a variable-ratio schedule.

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Definitions:

Salsa Manufacturers

Companies or entities involved in the production and distribution of salsa, a type of spicy sauce.

Law of Supply

The economic principle stating that as the price of a good increases, the quantity supplied of the good also increases, ceteris paribus.

Law of Demand

An economic principle stating that as the price of a good or service decreases, the quantity demanded increases, and vice versa, holding other factors constant.

Effective Price Floor

A government-imposed limit below which prices cannot legally fall, set above the equilibrium price, leading to potential surplus or excess supply.