To evaluate such equivalency, a pilot study was conducted with 10 normal hearing participants. The aim of the pilot study was also to find which speech sounds or sentences were possibly hard to perceive.
Jafngildi lista var rannsakað með forprófun á tíu fullheyrandi einstaklingum en tilgangur forprófunar var einnig að varpa ljósi á og greina þau atriði sem helst væru rangt skynjuð.