Which Example BEST Reflects a Fixed-Ratio Schedule of Reinforcement

question 30

Multiple Choice

Which example BEST reflects a fixed-ratio schedule of reinforcement?

• A) getting a snack from a vending machine
• B) playing the lottery
• C) checking your e-mail for a party invitation
• D) buying two items at the store and getting one free

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Definitions:

Crater Lake

A lake that forms in a volcanic crater or caldera after the volcano becomes inactive and the crater or caldera fills with precipitation or melted snow.

Volcanic Dome

A rounded volcanic feature created by thick lava that does not flow far from its eruption site, often forming after an eruption.

Scoria Cone

A small, steep volcanic cone built from lava fragments (scoria) ejected during gas-charged explosive eruptions.

Pumice

A light, porous volcanic rock formed from explosive eruptions, known for its ability to float on water.