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Identify the Type of Observational Study (Cross-Sectional, Retrospective, Prospective)

question 15

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Identify the type of observational study (cross-sectional, retrospective, prospective) .
-A statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years.


Definitions:

Igneous Feature

A geological formation that is formed from solidified magma or lava.

Laccolith

A dome-shaped igneous intrusion between rock layers, formed by the injection of magma.

Igneous Feature

A geological structure formed from the solidification of molten rock material, either below (intrusive) or on (extrusive) the Earth's surface.

Batholith

a large mass of intrusive igneous rock believed to have solidified deep beneath the Earth's surface.

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