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January 26, 2023

Optical illusion demonstrates how visualisation can trick us

A video of a man moving two pieces of his son’s toy train tracks has gone viral this week. See why the effect has been baffling

A video of a man moving two pieces of his son’s toy train tracks has gone viral this week.

The effect is baffling and is an example of a little understood phenomenon known as the Jastrow Illusion.

In his explanation published in 1892, Jastrow concluded as follows: “We judge relatively even when we most desire to judge absolutely.

”As an earlier post on this blog explains, empirical research conducted on graphs and the human visual system published in the journal “Science” in 1985 proposed a rank order for methods of encoding quantitative data in terms of the accuracy of perception of the values. The good old fashioned bar chart and line chart came at the top. The researchers found that the use of area to encode data is perceived with much less accuracy, being ranked only five out of seven in the various methods of encoding data that they studied. This insight is of great importance when considering the most appropriate visualisation to select to convey the business message

What’s a Rich Text element?

The rich text element allows you to create and format headings, paragraphs, blockquotes, images, and video all in one place instead of having to add and format them individually. Just double-click and easily create content.

Static and dynamic content editing

A rich text element can be used with static or dynamic content. For static content, just drop it into any page and begin editing. For dynamic content, add a rich text field to any collection and then connect a rich text element to that field in the settings panel. Voila!

How to customize formatting for each rich text

Headings, paragraphs, blockquotes, figures, images, and figure captions can all be styled after a class is added to the rich text element using the "When inside of" nested selector system.

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Abhishek Singh
Customer Director US
Abhi joined us in 2011 and heads up our partnership activities from our US office. A devoted fan of the Indian cricket team and, when not watching cricket, plays cricket at a high level himself.
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