Examlex
Which is NOT a method of evaluating the validity of a test?
Pitch
The perception of how high or low a sound is, determined by the frequency of sound waves.
Brightness
The perception of the intensity of light emitted or reflected by an object, contributing to its visibility.
Loudness
A perceptual attribute of sounds that determines the intensity or volume as heard by the listener.
Subliminal Stimulus
A Subliminal Stimulus is any sensory input that is below an individual's threshold for conscious perception, yet can influence thoughts, feelings, or actions.
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