Lawton IADL scale in dementia: can item response theory make it more informative?

Measurement Equivalence in ADL and IADL Difficulty Across International Surveys of Aging: Findings From the HRS, SHARE, and ELSA

(2011) K. S. Chan et al.   JOURNALS OF GERONTOLOGY SERIES B-PSYCHOLOGICAL SCIENCES AND SOCIAL SCIENCES

Calibrating ADL-IADL scales to improve measurement accuracy and to extend the disability construct into the preclinical range: a systematic review

(2011) Robert A Fieo et al.   BMC Geriatrics

Investigating an Invariant Item Ordering for Polytomously Scored Items

(2010) Rudy Ligtvoet et al.   EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT

A Revised Activities of Daily Living/Instrumental Activities of Daily Living Instrument Increases Interpretive Power: Theoretical Application for Functional Tasks Exercise

(2009) Robert Fieo et al.   GERONTOLOGY

Nonparametric IRT analysis of Quality-of-Life Scales and its application to the World Health Organization Quality-of-Life Scale (WHOQOL-Bref)

(2008) Klaas Sijtsma et al.   QUALITY OF LIFE RESEARCH

Natural History of Decline in Instrumental Activities of Daily Living Performance over the 10 Years Preceding the Clinical Diagnosis of Dementia: A Prospective Population-Based Study

(2007) Karine Pérès et al.   JOURNAL OF THE AMERICAN GERIATRICS SOCIETY