Detalle de Cambio

Cambio #5 Change of experimenter (Q-2009)
Descripción Originalmente, an experimenter played the role of client in the interviews by answering questions from the experimental subjects (analysts).
En esta replicación, the experimenter (client) was replaced.
Con el propósito de replacing the experimenter who was not available.
Dimensión Experimentador, específicamente, monitor.
Efectos sobre la validez
  • Este cambio incrementa moderadamente (+2) la validez interna porque experimenter bias is eliminated
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