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PolyMatter · 发布于 2017年11月10日
For 10% off your first purchase on Squarespace and to support this channel, go to: http://www.squarespace.com/polymatter The College Board owns the AP, PSAT and SAT tests, which brings in millions in profit every year. And behind this monopoly is the fact that these companies really sell to schools, not students. Patreon: https://patreon.com/polymatter Twitter: https://twitter.com/polymatters Reddit: https://reddit.com/r/PolyMatter Discord: https://discord.gg/polymatter *The end of this video includes a paid sponsored promotion. This company had no part in the writing, editing, or production of the rest of the video. ### Sources ### Music is “Deadly Roulette" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ Graph of GPA over time Source: https://www.timeshighereducation.com/sites/default/files/grades2.png Re-visualized with new colors, and removed B and D grades for simplicity. You can compare the original graph where the data was taken to my graph here: http://i.imgur.com/lJCoyFD.png Second Graph (schools) You can compare the original graph to my visualization here: http://i.imgur.com/ICRsN5w.png (where pink is original data, yellow is mine) Source: http://www.gradeinflation.com ACT vs SAT map: Map used and edited from: United States of America with States - Single Color by FreeVectorMaps.com Data used for map taken from: http://www.nytimes.com/interactive/2013/08/04/education/edlife/where-the-sat-and-act-dominate.html (Note: from 2013, some data may have changed) College Board Economics quote comes from: http://media.collegeboard.com/digitalServices/pdf/ap/ap-economics-course-description.pdf Others: http://www.gradeinflation.com https://blog.prepscholar.com/average-sat-scores-over-time https://en.wikipedia.org/wiki/List_of_educational_software https://collegereadiness.collegeboard.org/sat/register/fees https://www.collegeboard.org/about http://www.npr.org/sections/thetwo-way/2011/07/15/138167102/study-the-most-common-grade-given-by-colleges-is-an-a https://qz.com/1032183/no-wonder-young-americans-feel-so-important-when-half-of-them-finish-high-school-as-a-students/
