Detalle de Cambio

Cambio #1 Only one experimenter (E-2014)
Descripción Originalmente, two experimenters played the role of clients in the interviews by answering questions from the experimental subjects (analysts).
En esta replicación, there was only one experimenter.
Con el propósito de having only one experimenter as the other was not available.
Dimensión Protocolo, específicamente, guías de experimentación.
Efectos sobre la validez
  • Este cambio incrementa moderadamente (+2) la validez interna porque all subjects (analysts) receive the same information as there is only one experimenter (client)
  • Este cambio incrementa ligeramente (-1) la validez de conclusión porque by having only one experimenter (client), the process can become tedious for the experimenter
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