Are School Voucher Studies Biased from Front to Back?
![Are school voucher studies biased?](https://www.edchoice.org/wp-content/uploads/2015/06/good-bad-research-large.jpg)
Determining if a policy actually causes some impact on people’s lives is an incredibly difficult task. Humans are complex creatures, and the world that we live in has lots and lots of interconnected moving parts. It is a challenge to see how altering one small part of it, say by offering a student a voucher, […]