The Classical Experimental Design

question 38

Multiple Choice

The classical experimental design

• A)helps guard against the sources of internal and external validity.
• B)helps guard against the sources of external invalidity.
• C)helps guard against the sources of internal invalidity.
• D)cannot guard against the sources of either internal or external invalidity.
• E)what it helps guard against depends upon the particular experiment.

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Definitions:

El Niño

El Niño is a climate phenomenon that involves the periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, impacting weather patterns globally.

La Niña

A climate pattern characterized by cooler than average sea surface temperatures in the central and eastern tropical Pacific Ocean, influencing global weather patterns.

Moist Air

Air that contains a high level of water vapor, often leading to higher humidity levels and affecting weather patterns and human comfort.

Precipitation

Any water substance, whether solid or liquid, that comes down from the clouds and touches the Earth, encompassing rain, snow, sleet, and hail.