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Virginia sees Carl,with whom she attended high school 15 years ago,driving near her in rush hour traffic.She honks and waves to say "hello." Carl,who does not recognize Virginia,thinks the stranger is honking because of the way he changed his lane.Obviously,there is a problem in the way Carl is _____ the message.
Weber's Law
A principle stating that the smallest change in a physical stimulus that can be detected is a constant proportion of the stimulus level.
Masking Stimulus
A stimulus used to interfere with the perception of another stimulus, often used in research to study attention and perception processes.
Stationary Object
An object that is not in motion; remaining in the same place relative to its surroundings.
Just Noticeable Difference
The minimum difference in stimulation that a person can detect 50% of the time, also called the difference threshold.
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