An Ideal Spring, with a Pointer Attached to Its End

question 54

Multiple Choice

An ideal spring, with a pointer attached to its end, hangs next to a scale. With a 100-N weight attached, the pointer indicates "40" on the scale as shown. Using a 200-N weight instead results in "60" on the scale. Using an unknown weight X instead results in "30" on the scale. The weight of X is:

• A) 20 N
• B) 30 N
• C) 40 N
• D) 50 N
• E) 75 N

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Definitions:

Age of Reason

A developmental stage typically around the age of 7 when children start to use logic and recognize the difference between right and wrong.

Social Cognitive Theory

A cognitively oriented learning theory that emphasizes observational learning.

Dependent Variables

In an experimental setting, these are outcomes or variables that are expected to change due to the manipulation of independent variables.

Extinction

The cessation of a response that is performed in the absence of reinforcement.