When a Researcher Collects Information About a Group Through Direct

question 35

Multiple Choice

When a researcher collects information about a group through direct involvement and inspection,this is known as

• A)a survey.
• B)observation.
• C)secondary analysis.
• D)an experiment.

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Definitions:

Heparin Sodium

An anticoagulant (blood thinner) that helps prevent the formation of blood clots.

Coumadin

A brand name for warfarin, a medication used to prevent blood clots by thinning the blood.

Incompatible Blood Groups

Blood types that are unable to be mixed together due to antigen-antibody reactions, which can cause transfusion reactions.

Agglutination

The clumping together of cells or particles, commonly observed in blood testing or immune responses.