When Should a Nurse Researcher Include an Extraneous Variable as Part

question 6

Multiple Choice

When should a nurse researcher include an extraneous variable as part of a study's design?

• A) When it is nonmodifiable, such as age or gender
• B) When it is an important consideration for the outcome
• C) When the researcher is limited by time and monetary influences
• D) When it would not make a difference in the overall study outcome

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Definitions:

Epigenetic Marks

Chemical modifications to DNA and histone proteins that regulate gene activity without altering the DNA sequence itself.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or touched.

Schemas

Cognitive frameworks that help individuals organize and interpret information in the world around them.

Biopsychosocial Approach

A framework that attributes complex phenomena or illnesses to the interaction of biological, psychological, and social factors.