The following passage is excerpted from a recent College Board press release: https://www.prnewswire.com/news-releases/one-year-since-launch-official-sat-practice-on-khan-academy-is-leveling-the-playing-field-for-students-300278934.html.
A year ago today, Official SAT® Practice for the new SAT went live on KhanAcademy.org, making free, world-class, personalized online practice available for all students. There are now more than 1.4 million unique users on Official SAT Practice on Khan Academy — this represents four times the total population of students who use all commercial test prep classes in a year combined. Data show that the practice platform is reaching students across race, ethnicities, and income levels — mirroring the percentage of SAT takers. Almost half of all SAT takers on March 5 used Official SAT Practice to prepare, causing a 19 percent drop in the number of students who paid for SAT prep resources.
Which of the following would most directly undermine the College Board’s assertion that the number of students using Official SAT Practice was responsible for the 19 percent decline in the number of students paying for SAT prep resources? (more…)