A Pretest-Posttest Study Is an Example of a Nonequivalent Groups

question 19

True/False

A pretest-posttest study is an example of a nonequivalent groups design.

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Definitions:

Species Richness

The number of different species represented in an ecological community, landscape, or region, indicating its biodiversity.

Parasitic Relationship

A non-mutual relationship between species, where one species, the parasite, benefits at the expense of the other, the host.

Pathogen

An organism, typically a microorganism, that causes disease in its host, including viruses, bacteria, fungi, and parasites.

Mutualistic Symbiont

An organism that lives in a mutualism, providing reciprocal benefits to its host without harm.