a Condition in a Scientific Study That Is Manipulated

question 126

Multiple Choice

. A condition in a scientific study that is manipulated so that its effects may be observed is the ______.

• A) dependent variable
• B) experimental control
• C) experimental blind
• D) independent variable

---

Definitions:

Periaqueductal Gray Matter

A region of the midbrain involved in modulating pain perception and in coordinating fight or flight responses.

Semicircular Canals

Three looped tubes in the inner ear that are filled with fluid and help with maintaining balance by detecting head rotation.

Action Potentials

Brief electrical impulses that serve as the fundamental signals by which information is transmitted along nerve cells.

Endolymph

A fluid contained in the inner ear, playing a critical role in translating the movements of the head into neural signals for the brain to interpret balance and spatial orientation.