Which Is the GREATEST Limitation of Laboratory Experiments

question 3

Multiple Choice

Which is the GREATEST limitation of laboratory experiments?

• A) poor interrater reliability
• B) third-variable problem
• C) inability to ensure that all participants are exposed to the same scenario
• D) questionable external validity

---

Definitions:

P Waves

The waveform seen on an electrocardiogram that represents the depolarization of the atria of the heart.

Atrial Fibrillation

A common type of heart arrhythmia characterized by rapid and irregular beating of the upper chambers of the heart, leading to an increased risk of stroke and heart failure.

Abnormality

A deviation from the normal or average, often referring to irregularities in physical, physiological, or psychological functioning.

Artifact

In medical imaging, an artificial distortion or error in diagnostic images not representing the actual anatomy or condition.