Why Would a Nurse Researcher Want to Limit or Eliminate

question 13

Multiple Choice

Why would a nurse researcher want to limit or eliminate extraneous variables in a 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 the extraneous variables increases the risk for researcher bias in the study's outcome.

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Definitions:

Common Law Judges

Jurists who interpret and apply the law according to historical legal precedents and decisions made in prior cases rather than written statutes or legislations.

Common Law

A body of law derived from judicial decisions of courts and similar tribunals, as opposed to statutes or written legislation.

Judges

Officials appointed or elected to preside over court proceedings, making decisions on legal issues and disputes.

Precedent

An earlier court decision; in a common law system, judges are required to follow a decision made in a higher court in the same jurisdiction where the facts are similar.