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Vérifier son site pour les daltoniens >>> Toptal Color Blind Filter Use the Colorblind Colorlab to select safe colors earlier in the design process. Learn more about colorblindness in this Wikipedia entry. This tool is still in development, but feedback is welcome while we work on it. If you only use one filter, use the greyscale filter which will not only point out potential problem areas, but will also let you see more clearly which areas the filter is unable to process.

DocsTeach Turn your students into historians with primary-source based activities. Provide them the unique web address for an activity, or compile a Classroom full of activities. Each activity-creation tool helps students develop historical thinking skills. Pick documents, set up the activity, and write instructions for your students. You can include questions or an assignment in your conclusion. Students can submit and save their responses so that you can access them in My Students' Responses, or have them emailed to you if desired.

Highlights from Ignorance survey in the UK Highlights from the first UK survey re ignorance of global trends. A preliminary summary by Hans Rosling, Gapminder Foundation, 3 Nov, 2013 Gapminder’s mission is to fight devastating ignorance about the world with a fact-based worldview that everyone can understand. We started the Ignorance Project to measure what people know and don´t know about major global trends. Respecter les ratios >>> Misleading graph Graph that misrepresents data In statistics, a misleading graph, also known as a distorted graph, is a graph that misrepresents data, constituting a misuse of statistics and with the result that an incorrect conclusion may be derived from it. Graphs may be misleading through being excessively complex or poorly constructed. Even when constructed to accurately display the characteristics of their data, graphs can be subject to different interpretation, or unintended kind of data can seemingly and ultimately erroneously be derived.[1] Misleading graphs may be created intentionally to hinder the proper interpretation of data or accidentally due to unfamiliarity with graphing software, misinterpretation of data, or because data cannot be accurately conveyed.

A round-up of time-lining tools Timelines are a perfect tool for inquiry projects. They force students to see contexts; to make critical decisions about relative importance; to make connections among people, events and movements; to visualize history and processes; to discover patterns and sequences; to examine cause and effect; and to juxtapose content from across disciplines and media. We now have a seriously growing array of tools to help us build timelines with learners to support that kind of mind work.

Migrant crisis: Migration to Europe explained in seven charts Image copyright Getty Images More than a million migrants and refugees crossed into Europe in 2015, sparking a crisis as countries struggled to cope with the influx, and creating division in the EU over how best to deal with resettling people. The vast majority arrived by sea but some migrants have made their way over land, principally via Turkey and Albania. Winter has not stemmed the flow of people - with 135,711 people reaching Europe by sea since the start of 2016, according to the UNHCR. 1. Which countries are migrants from?

Respecter les ratios >>> Data-Ink Ratio [edit] Definitions The Data-Ink ratio is a concept introduced by Edward Tufte, the expert whose work has contributed significantly to designing effective data presentations. In his 1983 book, The Visual Display of Quantitative Data, he stated the goal: Interactive Excel Spreadsheets Developer's Guide to Excelets: Dynamic and Interactive Visualization with "Javaless" Applets or Interactive Excel Spreadsheets Excelets are interactive Excel spreadsheets or simulations of mathematical models.