Detalle de Cambio
| Cambio #10 | Problem difficulty (E-2012A) |
|---|---|
| Descripción |
Originalmente, the difficulty of the problem was not measured.
En esta replicación, the new variable 'problem difficulty' is defined. Con el propósito de analyse the influence of the difficulty of the problem on the results. |
| Dimensión |
Operacionalización, específicamente, tratamiento.
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| Efectos sobre la validez |
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| Comentarios |