When Should an Extraneous Variable Be Included as Part of the Study's

question 1

Multiple Choice

When should an extraneous variable be included as part of the study's design?

• A) When it is nonmodifiable, such as age or gender
• B) When it is an important consideration for the outcome
• C) When the researcher is limited by time and monetary issues
• D) When it would not make a difference to the overall study outcome

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Definitions:

Slope of Beach

The incline or gradient of a beach surface, which can directly affect the waves' intensity and the speed at which water retreats back into the sea.

Sediment Movement

The process by which sediment is transported by natural forces such as water flow, wind, or ice.

Relative Sea Level

The height of the sea surface relative to the land, which may change due to factors like tectonic activity or sea-level rise.

Sheltered Bays

Coastal water bodies that are protected from strong waves and currents, often by landforms around them.