Two Variables Are Confounded If

question 104

Multiple Choice

Two variables are confounded if

• A)their effects on the treatments cannot be ascertained.
• B)their effects on the sampling design cannot be observed.
• C)their effects on the response variable cannot be distinguished.
• D)their effects on the experimental design cannot be justified.
• E)their effects on the blocking factor cannot be measured.

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Definitions:

East Pacific Rise

A Mid-Oceanic Ridge in the eastern Pacific Ocean associated with a divergent tectonic plate boundary where new oceanic crust is formed through volcanic activity.

Accretionary Prism

A prism-shaped pile of rock and sediment detached from the upper part of a descending tectonic plate and adhered to the plate above it at a collision zone between tectonic plates.

Subduction Zone

The region where one tectonic plate moves under another, leading to volcanic activity and earthquakes.

Magma

The molten or semi-molten natural material from which all igneous rocks are derived, existing beneath the Earth's surface.