Detalle de Cambio

Cambio #1 Group interviews (Q-2011)
Descripción Originalmente, interviews between subjects (analysts) and experimenter were individual.
En esta replicación, interviews were conducted in groups.
Con el propósito de reduce the cost and effort of conducting individual interviews.
Dimensión Protocolo, específicamente, guías de experimentación.
Efectos sobre la validez
  • Este cambio incrementa moderadamente (-2) la validez interna porque there may be comprehension problems that affect the results
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