Efecto Stroop. Estimated time to complete lab: 15 minutes. Background. When you first learned to tie your shoelaces, you needed to think. IN SERIAL VERBAL REACTIONS. J. Ridley Stroop[1] (). George Peabody College. First published in Journal of Experimental Psychology, 18, La mayoría de los investigadores interpretan que este patrón de resultados, conocido como efecto Stroop emocional, refleja una interferencia entre el.

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A subscription to J o VE is required to view this article. When the squares were shown, the participant spoke the name of the color.

Stroop effect

The test schedule was followed in regular daily order with two exceptions. By using this site, you agree to the Terms of Use and Privacy Policy. The increase in the time for reacting to colors caused by the presence of conflicting word stimuli is taken as the measure of the interference of word stimuli upon naming colors.

This latter fact was shown by the introspections. Ishihara’s test for color vision.

These changes suggest that speed of processing increases with age and that cognitive control becomes increasingly efficient. When an error was left the subject’s attention was called to that fact as soon as the sheet was finished. There is some indication in our data that this sex difference may be due to the difference in the accustomed reaction of the two sexes to colors as stimuli. Naming the font color of a printed word is an easier and quicker task if word meaning and font color are congruent.

A Nova episode used the Stroop Effect to illustrate the subtle changes of the mental flexibility of Mount Everest climbers in relation to altitude. The words red, blue, green, brown, and purple are used on the test sheet.


On the 1st day the RCNb test was used to acquaint the subjects with the experimental procedure and improve the reliability of the 2d day’s test. These stimuli are varied in such a manner as to maintain the potency of their interference effect.

La matriz experimental en el Stroop emocional de tareas:. The relevant information must be separated from irrelevant information in the task; thus, the focus is placed on the ink color and not the word.

Stroop effect – Wikipedia

He found that if the first associative bond had a recall power of 10 percent or less it facilitated the second association, if it had a recall power of 15 percent to 40 percent the inhibitory power was small, if it had a recall power of 45 percent to 70 percent the inhibiting strength approached a maximum, if the recall power was 70 percent to percent the inhibition was storop medium strength and in some cases might disappear or even facilitate the learning of a new associaiton.

In the study of interference theorythe most commonly used procedure has been similar to Stroop’s second experiment, in which subjects were tested on naming colors of incompatible words and of control patches.

However, there can be up to stfoop different subtasks, adding efecti some cases stroo consisting of groups of letters “X” or dots printed in a given color with the participant having to say the color of the ink; or names of colors printed in black ink that have to be read.

The only conclusion was stated thus: The results showed an increase in time for the response which corresponded roughly to the increase in the complexity of the situation. The difference in the time for reading the words printed in colors and the same words printed in black is the measure of the interference of color stimuli upon reading words.

In both cases, the interference score is expressed as the difference between the times needed to read each of the two types of cards. Hunter and YarbroughPearceand Hunter in three closely related studies ep habit interference in the white rat in a T-shaped discrimination box found that a previous habit interfered with the strlop of an ‘opposite’ habit.


The Stroop effect has been used to investigate a person’s psychological capacities; since its discovery during the twentieth century, it has become a popular neuropsychological test. Cognitive Efectoo and Emotional Disorders.

He promises further evidence from studies now in progress. Please sign in or create an account.

The emotional Stroop effect emphasizes the conflict between the emotional relevance to the individual and the word; whereas, the classic Stroop effect examines the conflict between the incongruent color and word.

One hundred students 88 college undergraduates, 29 males and 59 efeto, and 12 graduate students, all females served as subjects. The effect was named after John Ridley Stroopwho published the effect in English in in an article in the Journal of Experimental Psychology entitled “Studies of interference in serial verbal reactions” that includes three different experiments.

The results which have already been discussed separately are presented for comparison in Table VII. For other languages click here. En algunos estudios se ha observado el sesgo, mientras que en otros no se ha encontrado. Fill out the form below to receive a free trial or learn more about access: In the light of his results he found all former explanations untenable He included no examination of or reference to Peterson’s data and interpretation.

An unexpected error occurred. La palabra- target siempre era un adjetivo autodescriptivo.