Många oroar sig för svensk skolas sjunkande kvalitet och teorierna om anledningen skiftar. Jag gillar den här lagom förenklande artikeln i The telegraph

Mrs Goddard Blythe, director of the Institute for Neuro-Physiological Psychology in Chester, said many early developmental problems could be overcome with old fashioned one-on-one interaction between parents and children.

Singing lullabies and using music gets a baby ready for language at a young age, while reading fairy tales can teach children moral behaviour and empathy, she said.

Det mesta låter bättre på engelska.