What Do the Non-Representative Samples That Are Inherent to Clinical

question 127

Multiple Choice

What do the non-representative samples that are inherent to clinical trials suggest?

• A)The treatment method used in any given study may not be equally therapeutic to all participants
• B)Prevalence rates of many disorders may be incorrect
• C)Community treatment orders are ineffective
• D)It is risky to generalize from controlled studies to the actual population

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Definitions:

Universal Instantiation

A logical rule of inference that allows for the deduction of specific instances from a universally quantified statement.

Existential Instantiation

A logical principle where from a general statement, one can infer the existence of at least one particular instance.

Universal Generalization

Universal generalization is a logical principle that allows one to infer that something is true for all members of a class from its being true for every observed member.

Quantifier Negation

The process of negating the quantifier in a logical expression, changing its scope or applying negation to the predicate instead.