Why Are Extraneous Variables Limited or Eliminated in a Well-Designed

question 6

Multiple Choice

Why are extraneous variables limited or eliminated in a well-designed study?

• A) More research questions would be required to define the extraneous variable.
• B) Extraneous variables compete with the dependent variable as an explanation of the study's outcome.
• C) Extraneous variables compete with the independent variable as an explanation of the study's outcome.
• D) Manipulation of extraneous variables increases the risk for researcher bias in the study's outcome.

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Definitions:

Problem List

A documented list of current and potential health problems and conditions of a patient, used in healthcare settings for patient management.

Theoretical Jargon

Specialized language or terminology related to specific theories that may be inaccessible to those not familiar with the subject.

Benchmarks

Standard points of reference against which things can be compared or assessed, often used to measure performance or progress.

Evidence-Based Practice

A decision-making approach that integrates the best available research with clinical expertise and patient values.