Detalle de Cambio

Cambio #2 Discard a programme (VV-ORT)
Descripción Originalmente, four programs were used.
En esta replicación, three programs were used, one was discarded.
Con el propósito de balance the design and adapt to the time available.
Dimensión Protocolo, específicamente, diseño experimental.
Efectos sobre la validez
  • Este cambio incrementa moderadamente (-2) la validez interna porque one of the programmes on which failures were detected is removed
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