Five-Year-Old Tommy Is Helping Get Ready for a Family Reunion

question 193

Multiple Choice

Five-year-old Tommy is helping get ready for a family reunion at Thanksgiving by polishing the good silverware. If his mother gives him a dime for each piece he polishes, what kind of reinforcement schedule is she using?

• A) fixed interval
• B) fixed ratio
• C) variable interval
• D) variable ratio

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Definitions:

Adhesion

The tendency of dissimilar particles or surfaces to cling to one another, often causing materials to stick together.

Hydrogen Bonds

Weak bonds between partially positive hydrogen atoms and partially negative elements like oxygen or nitrogen, crucial in biological structures.

pH Scale

A measure of the acidity or basicity of an aqueous solution, ranging from 0 (most acidic) to 14 (most basic) with 7 as neutral.

Hydrogen Ion

A positively charged ion or proton, H+, which is common in acid-base reactions in chemistry and biological systems.