Detalle de Cambio

Cambio #3 Null treatment of the control group (MIND#2)
Descripción Originalmente, the control group received a placebo treatment consisting of a public speaking workshop.
En esta replicación, the control group received no treatment, as the public speaking workshop was postponed after the second task.
Con el propósito de mitigating the potential distorting factor of placebo on experimental results.
Dimensión Operacionalización, específicamente, tratamiento.
Efectos sobre la validez
  • Este cambio incrementa moderadamente (+2) la validez interna porque it eliminates the possibility that the placebo could have any effect on the experimental outcomes
Comentarios The new public speaking workshop was online mainly.
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