If a Stimulus Is Just Slightly Weaker Than the Absolute

question 162

Multiple Choice

If a stimulus is just slightly weaker than the absolute sensory threshold, how often would we expect a person to be able to identify its presence?

• A) never
• B) never consciously, but almost always at an unconscious level
• C) at least 75% of the time
• D) a little less than half the time

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Definitions:

Capillary Action

Capillary action is the ability of a liquid to flow through narrow spaces without the assistance of, or even in opposition to, external forces like gravity, observed in phenomena such as water moving up a plant stem.

Adhesion

Adhesion refers to the process by which cells or substances stick to each other or to surfaces, playing a crucial role in many biological functions and processes.

Cohesion

The phenomenon where similar molecules are drawn to each other, resulting in them sticking together due to their mutual attraction.

Surface Tension

The cohesive force at the surface of a liquid that allows it to resist an external force, due to the uneven attraction between molecules at the surface and those in the bulk of the liquid.