tachistoscope


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ta·chis·to·scope

(tă-kis'tŏ-skōp),
An instrument to determine the shortest time necessary for an object to be perceived.
[G. tachistos, very rapid, fr. tachys, rapid, + skopeō, to view]

tachistoscope

(tă-kĭs′tə-skōp′, tə-)
n.
An apparatus that projects a series of images onto a screen at rapid speed to test visual perception, memory, and learning.

ta·chis′to·scop′ic (-skŏp′ĭk) adj.

tachistoscope

[təkis′təskōp′]
Etymology: Gk, tachistos, rapid, skopein, to view
a device used to increase the speed of visual perception by displaying visual stimuli only extremely briefly.

tachistoscope 

An instrument that presents visual stimuli for a brief and variable period of time (usually less than 0.1 s).
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References in periodicals archive ?
As a whole, the advertising industry was already heavily invested in motivation research by the time Vance Packard appeared on the scene; it had no such investment in subliminal advertising, and therefore much less to lose by allowing Vicary's tachistoscope to bear the brunt of the politicians' reactions to Packard's accusations.
In sharp contrast, the types of experimental results that Vicary said he had achieved with his tachistoscope are much more vulnerable to disconfirmation, as became evident in a number of follow-up tests of his claims.
The tachistoscope contained a dimly lit grayish illuminated panel, at which participants could gaze.
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.
Each of the stimuli were mounted on card and presented via a two-field tachistoscope (CET2, Colne Instruments Co.
Stimuli were presented to the subjects by means of a two-channel projection tachistoscope (Gerbands Model G1170).
The 40 categorically and spatially related word pairs were presented, in blocks or randomly, using a three-field tachistoscope.
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.
We have survived programmed materials, Evelyn Wood, tachistoscopes, behavioral objectives, foreign language labs, modality testing, neurological patterning, reality therapy, transactional analysis, Madeline Hunter, the Initial Teaching Alphabet, discovery learning in science, new math, effective school programs, open schools, ungraded schools, behavior modification, diagnostic-prescriptive teaching, mastery learning, private contracting, merit pay, master teachers, magnet schools, mini-courses, team teaching, and many other educational "innovations" and "innovators.