Gaining precision on the Alzheimer's Disease Assessment Scale-cognitive: a comparison of item response theory-based scores and total scores.

@article{Balsis2012GainingPO,
  title={Gaining precision on the Alzheimer's Disease Assessment Scale-cognitive: a comparison of item response theory-based scores and total scores.},
  author={Steve Balsis and Alexis A Unger and Jared F. Benge and Lisa Geraci and Rachelle Doody},
  journal={Alzheimer's & dementia : the journal of the Alzheimer's Association},
  year={2012},
  volume={8 4},
  pages={288-94}
}
BACKGROUND The Alzheimer's Disease Assessment Scale-cognitive (ADAS-cog) is a commonly used measure for assessing cognitive dysfunction in patients with Alzheimer's disease (AD). The measure has 11 subscales, each of which captures an important aspect of cognitive dysfunction in AD. Traditional scoring of the ADAS-cog involves adding up the scores from the subscales without regarding their varying difficulty or their strength of relationship to AD-associated cognitive dysfunction. The present… CONTINUE READING