Oh dear God. This person is probably a nice guy but he's so ignorant as to what's going on in the educational achievement.  40 years this has been practiced with great success  Look up Kinesiology,.  I've seen children who can't read or write  be able to learn these skills within weeks. Also good for all human learning. Gulf  etc.  Body movements etc. Also He sounds like a scientist from the 1950s.  There are 9 types of intelligence.  Artistic ability etc. He's what doesn't work in schools.  Like brain size. ?  Einstein had almost a quarter inch of this mylar . Meaning  neurotransmitters actually create highways. With  Body movements  we can retrain the brain to connect to the part of the brain that it  meant to go work. They are quick , fun and easy. Yet not many public schools use them.    We know early childhood development  has helped kids on many levels. ...He's scarey that he doesn't   want to know about the many ways kids people can learn.  Educational Kinesiology  needs to be in all schools.  There's tons  of proof that these schools greatly raise the students IQ. Also. Food . Physical health has a huge part   Also family life is probably the biggest factor in kids learning.   Also look up EFT.  For children's mental health. Known as tapping.   He's part of the egg head old timers  that loves his above average brain. And he's good at testing.  I'm not good at testing. But I'm very successful.  In business and family and Spirtual.   Les have a Educational Kinesiology professional on.  We only use at best 9 percent of our brain. God didn't give us the rest so we can wear a hat.   Ha. Elon Musk talks about chips in our brain. This guy is just so far behind in what's going on.  He needs to retire.    Test are good for those who are good at taking test. That's all. He's old and hast kept up with what's going on .....