Heidi Is Running a Study for a Large Mental Health

question 121

Multiple Choice

Heidi is running a study for a large mental health center.She is responsible for assigning participants to one of two conditions--either the condition that receives the medicine being tested or a placebo pill.The actual nurses and doctors administering the medication or placebos do not know which they are giving, nor do the patients know which they are receiving.Only Heidi tracks this information.Heidi's study uses a(n) design.

• A)blind
• B)double-blind
• C)triple-blind
• D)biased

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Definitions:

Viral Strains

Variants of a virus that differ from each other in minor ways, but can significantly affect their transmission and the body's immune response to them.

Life Span

The maximum duration of life that an organism can reach, varying widely among different species, influenced by genetics and environmental factors.

Survival

The ability of an organism to continue living or existing under varying conditions or in the face of potential threats.