Tachistoscope


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Tachistoscope

 

a device for the brief presentation of visual stimuli, such as letters, words, numbers, or geometric figures. Tachistoscopes are used in psychology to determine the speed and accuracy of perception and to study attention.

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During the session itself, the double doors of the sound-attenuated target room were closed, as were the double doors of the sound-attenuated room containing the tachistoscope and the experimenter and participant.
He provided his subjects with various degrees of feedback about the target by varying the luminance of the target in a tachistoscope during the feedback presentation.
The children in the middle and lowest performing groups practiced using real and nonsense story words on hand-made tachistoscopes.