Intensity
Definition
In psychology, intensity refers to the strength or force of a stimulus. It's often used in relation to sensory perception, such as the loudness of a sound or the brightness of a light.
Analogy
Think about intensity like the volume knob on your stereo. The higher you turn it up, the louder (or more intense) the music becomes.
Related terms
Threshold: This is the minimum level of stimulation required for an organism to detect a stimulus 50% of the time.
Decibel: A unit used to measure sound intensity.
Just Noticeable Difference (JND): The smallest difference in stimulation that can be detected 50% of the time; also known as difference threshold.
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