Over the Last Hundred Years

question 27

Multiple Choice

Over the last hundred years,

• A)movements in output due to recessions and recoveries dominate the movement caused by long-run growth.
• B)output has decreased in as many years as it has increased.
• C)U.S. output has approximately doubled.
• D)all of the above
• E) none of the above

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Definitions:

Underextension

Restricting the use of a word to only a few, rather than to all, members of a class of objects.

Operant Conditioning

A process of instruction that modifies behavior strength by employing incentives or disincentives.

Zone of Proximal Development

A concept in educational psychology referring to the difference between what a learner can do without help and what they can achieve with guidance and encouragement from a skilled partner.

Scaffolding

An educational technique that involves providing support to students or learners in the early stages of learning, gradually removing the support as the learner becomes more proficient.