The Stroop effect is an effect named after John Ridley Stroop, who in his research revealed the dependence of the speed of a person's reaction when choosing a word in cases where the color that depicts a word differs from the color that this word denotes.

The online Stroop Effect test offered on this page does not fully match the original Stroop Effect test. This test implements a formula that takes into account delays in user response under normal conditions and when mixing correct and false color names. This formula defines the progressive rate of a person's response delay. We can say that the higher the coefficient obtained, the higher the reaction rate and flexibility of the cognitive functions of the human brain.

The rules for passing this test using the Stroop Effect online are very simple. The test is divided into three parts.

In the first part of the Stroop Effect online test, in the middle is a black word denoting some color (red, green ...). Under this word are buttons colored in different colors. The respondent must press the button that the word describes (if it is written RED, press the RED button).

In the second part of the Stroop Effect online test, a square is displayed in the middle, painted in any color, and the respondent needs to click on one of the buttons below, of the same color.

In the third and final part of the Stroop Effect online test, a word is displayed in the middle, which is colored in one of five colors, and denoting a certain color (red, green ...). The color of a word and the color that this word means, in most cases, do not match. Under this word are buttons colored in different colors. The respondent must press the button that DESCRIBES the word (if it is written RED in green, then press the RED button).

After passing the final part of the Stroop Effect online test, the resulting coefficient for the current test and the comparative indicators of the rest of the respondents who passed the Stroop Effect test online will be displayed.