A Nurse Researcher Should Consider Mortality a Threat to the Study's

question 11

Multiple Choice

A nurse researcher should consider mortality a threat to the study's internal validity for which of these reasons?

• A) There is concern that the intervention may have harmful effects on subjects.
• B) Those who dropped out of the study may be different than those who remained in the study.
• C) Those who participated in the study may have died as a result of being in the study.
• D) There is concern that the design is inappropriate for the study question if a large number of participants drop out of a study.

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Definitions:

Inner Ear

The innermost part of the ear, containing the cochlea, vestibule, and semicircular canals, responsible for hearing and balance.

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, where sound vibrations are transmitted.

Cochlear Duct

A fluid-filled spiral tunnel in the inner ear and a key component of the cochlea, responsible for sound perception.

Scala Vestibuli

A perilymph-filled cavity inside the cochlea of the inner ear, which sits above the scala media and leads from the oval window to the helicotrema at the apex of the cochlea.