And I find it interesting to see how the neuroscience makes it clear that the advantages of this approach are especially salient in adolescents - when many parents and schools pull away from the positive approaches they use with younger children.

But I'd like to make a distinction. The key here isn't the difference between warmth v. fear/threats. The difference discussed here is between appealing to cognition v. emotion. I don't think that saying 'if you don't study you;re going to fail the test' is a threat. It's a fact. However, it is more effective with teens in particular to say 'learning the material and doing well will make you feel proud of yourself'.

The discipline/punishment v. warmth/responsiveness difference is a different argument.