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Since 2000

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PI

Poggendorff illusion

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The Poggendorff illusion is a geometrical-optical illusion that involves the misperception of the position of one segment of a transverse line that has been interrupted by the contour of an intervening structure.

Within the same research it is possible to vary one of the four variables (input line angle, gap-size, rotation, line size). Other settings (gap-type, colors, line width,..) are fixed within the same research. At the end of the task, the results are grouped by the selected variable, and descriptive and inferential statistics for the selected variable will be calculated.

Related applications:   PLT

Language interface: Simple English

Software requirements: any web browser with support for ES6 classes: static. See browser list: here.

The application has been tested on the following web browsers: Firefox, Chrome, Edge, Opera (Internet Explorer 11 is not supported). We mainly develop all our web applications in the Firefox browser. Therefore, generally speaking, the new version of Firefox is always the most secure solution for reliable use of our web applications.

Licence: GNU Lesser General Public License

Version: 1.0

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