The time of completion of the abbreviated form =1.67 minutes; SD=1.14 was reduced by 2.08 minutes on average over the complete form =3.75 minutes, SD=2.84.
El tiempo de cumplimentación de la forma abreviada =1.67 minutos; DE=1.14 se redujo en 2.08 minutos de media respecto a la completa =3.75 minutos; DE=2.84.