What does it cost to treat a classroom down to that 0.4-second reverberation time? Two and a half thousand pounds. And the Essex study which has just been done in the U.K., which incidentally showed that when you do this, you do not just make a room that's suitable for hearing-impaired children, you make a room where behavior improves, and results improve significantly, this found that sending a child out of area to a school that does have such a room, if you don't have one, costs 90,000 pounds a year.
¿Cuánto cuesta bajar el tiempo de resonancia de un aula a 0,4 segundos? 2500 libras. Acaba de hacerse un estudio de Essex, en el Reino Unido, que ha demostrado que al hacer esto, no solo se logra un aula adecuada para niños con problemas de audición, sino que se logra un aula donde el comportamiento y los resultados mejoran significativamente.