An Alluvial Fan Is a Fan- or Cone-Shaped Pile of Sediment

question 31

True/False

An alluvial fan is a fan- or cone-shaped pile of sediment that forms where a stream emerges from a narrow mountain canyon.

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Definitions:

Generalizability

The extent to which findings from a study can be applied to broader populations, settings, and times.

Construct Validity

The degree to which a test or instrument measures the theoretical construct it is intended to measure.

Face Validity

The extent to which a test or instrument appears to measure what it is supposed to measure, based on a superficial assessment.

Third-variable Problem

A confounding issue in research that occurs when a seemingly causal relationship between two variables is actually caused by an unseen, third variable.