And lo and behold, when he went through the data, he found that it didn't look like the expensive, complicated solution was any better than the cheap one, at least for the children who were two and older -- the cheap one still didn't work on the kids who were younger.
E con sua sorpresa, studiando i dati scoprì che la soluzione costosa e complicata non sembrava affatto più efficace di quella economica. Almeno per i bambini dai due anni in su-- quella economica ancora non funzionava, sui bambini più piccoli.