Well, they took, over a three-month period, D-level students, gave them A's, told them they were "A's," told them they were bright, and at the end of this three-month period, they were performing at A-level.
Bueno, ellos tomaron estudiantes de nivel D, y durante un período de tres meses, les dieron las notas más altas, les dijeron que eran estudiantes de nivel A, les dijeron que eran brillantes. Y al final de ese período de tres meses, estaban desempeñándose a un nivel de A.