Confounding Is a Major Threat to Internal Validity

question 21

True/False

Confounding is a major threat to internal validity.

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Definitions:

England

A country that is part of the United Kingdom, sharing land borders with Scotland to the north and Wales to the west, known for its rich history, cultural landmarks, and as the birthplace of the English language.

Steam Engine

An engine that uses steam, produced by boiling water, to generate mechanical power, a key innovation of the Industrial Revolution.

Industrial Revolution

The transition to new manufacturing processes in the period from about 1760 to between 1820 and 1840, which involved the move from hand production methods to machines and the rise of factory systems.

Spinning Jenny

An innovation in textile manufacturing that allowed a single worker to spin multiple spools of yarn simultaneously, significantly increasing productivity.