Charts of the Week: Data records, Florida’s teacher tenure reform, and new housing in Washington, D.C.

Employees work on bitcoin mining computers at Bitminer Factory in Florence, Italy, April 6, 2018. Picture taken April 6, 2018. REUTERS/Alessandro Bianchi - RC1154C44E80

Click on the links or the charts to go to the full research.


Every day enough data records are created to fill 3 million Libraries of Congress

Tom Wheeler emphasizes the significance of the General Data Protection Regulation (GDPR) because it’s the first time government has stepped in to oversee the unregulated collection of personal information through the internet. According to Wheeler, there are enough data records collected every day that could fill 3 million Libraries of Congress, and it’s only expected to increase exponentially in the coming years.

cotw1Florida’s teacher tenure reform slightly increased test achievement in math and reading

In a new Evidence Speaks report, experts examine test results after teacher tenure was eliminated in Florida to better understand how protections for teachers affect students. The authors find that in this case, there is circumstantial evidence that tenure reform marginally increased student test achievement in both math and reading, and improvements were more prominent for the lowest-performing students.

cotw2New housing construction in Washington, D.C., is highly concentrated in a few areas

In a post for the Avenue blog, Jenny Schuetz explores where new housing construction and home renovations occurred across Washington, D.C., from 2008 to 2015. She finds that most neighborhoods in the District have built little new housing except for a few concentrated areas including NoMA, the Southwest Waterfront, Shaw, and Brookland.