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The Degree to Which a Test Measures What It Is

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The degree to which a test measures what it is supposed to measure is known as the reliability of the test.


Definitions:

Genetic Drift

A mechanism of evolution where random changes in the frequency of alleles within a population occur, often having a significant impact on smaller populations.

Habitat Isolation

A form of reproductive isolation where two species live in the same area but occupy different habitats, so they rarely encounter each other or breed.

Prezygotic

Refers to mechanisms that prevent individuals of different species or populations from mating or fertilizing eggs before the formation of a zygote.

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