(2017-03-29) Why Selection Bias Is The Most Powerful Force In Education

Fredrik de Boer on Why selection bias is the most powerful force in education (Schooling)

Consider these two state average SAT scores.

The key is participation rate

The screening mechanism is the educational mechanism

Selection bias hides everywhere in education. Sometimes, in fact, it is deliberately hidden in education.

Charter Schools deliberately exclude the hardest-to-educate students