Eventually and it was massively controversial within academia. There were studies that showed it worked, but studies are positivist and for many education academics, positivist is an insult. That's why it took literally generations and a political war to soak into academia at large after the science was uncontroversial.
Eventually and it was massively controversial within academia. There were studies that showed it worked, but studies are positivist and for many education academics, positivist is an insult. That's why it took literally generations and a political war to soak into academia at large after the science was uncontroversial.