Psychology RootsRapid Disability Rating Scale
Here in this post, we are sharing the “Rapid Disability Rating Scale”. You can read psychometric and Author information. We have thousands of Scales and questionnaires in our collection (See Scales and Questionnaires). You can demand us any scale and questionnaires related to psychology through our community, and we will provide you with a short time. Keep visiting Psychology Roots.
About Rapid Disability Rating Scale
Scale Name
Rapid Disability Rating Scale
Author Details
Margaret W. Linn (1967, revised by Margaret W. Linn and Bernard S. Linn, 1982)
Translation Availability
English
Background/Description
The Rapid Disability Rating Scale (RDRS), originally developed by Margaret W. Linn in 1967 and revised as RDRS-2 by Linn and Linn in 1982, is an 18-item clinician-rated scale designed to assess functional capacity and mental status in elderly long-stay patients, both hospitalized and community-dwelling. Published in Journal of the American Geriatrics Society (1982), the RDRS-2 evaluates eight Activities of Daily Living (ADLs: eating, dressing, grooming, bathing, toileting, walking, transfers, adaptive tasks like managing money), three sensory abilities (vision, hearing, speech), three mental capacities (orientation, memory, judgment), and one item each on dietary changes, continence, medications, and confinement to bed. It is used to summarize functional and psychological disability, guide care planning, and predict outcomes like mortality or institutionalization.
Each item is rated on a 4-point scale (1 = no assistance to 4 = complete assistance) based on direct observation by a nurse or familiar caregiver, focusing on performance rather than self-report. Total scores range from 18–72, with higher scores indicating greater disability. Three subscale scores (ADLs, physical disabilities, psychosocial problems) provide detailed profiles. The RDRS-2 was validated with 845 male patients (mean age ≈ 68 years, U.S.-based) and 100–172 community-dwelling elderly. Scores of 21–22 indicate minimal disability (community), 32 for hospitalized patients, and 36 for long-term care transfers. It correlates with physician impairment ratings (r ≈ 0.27) and self-reported health (r ≈ 0.43). The RDRS-2 is used in geriatrics, rehabilitation, and clinical psychology. Access requires permission from Journal of the American Geriatrics Society.
Administration, Scoring and Interpretation
- Obtain the RDRS-2 from Linn and Linn (1982) or authorized sources (e.g., Journal of the American Geriatrics Society), ensuring ethical permissions.
- Explain to participants (elderly adults 65+ or caregivers) that the scale assesses functional and mental status, emphasizing confidentiality and voluntary participation.
- Administer the 18-item scale in a clinical, long-term care, or community setting via direct observation by a nurse or trained rater, rating each item based on current performance.
- Estimated completion time is 2–5 minutes (after observation).
- Ensure a private, supportive environment; provide geriatric or mental health resources (e.g., support services) and adapt for accessibility (e.g., clear instructions) if needed.
Reliability and Validity
The RDRS-2 demonstrates robust psychometric properties (Linn & Linn, 1982). Inter-rater reliability is high (Kendall’s W = 0.91 for preliminary version, N = 20; item correlations = 0.62–0.98 for RDRS-2, N = 100). Test-retest reliability is strong (r = 0.83 for original, N = 1,000, 3.5-day interval; r = 0.58–0.96 for RDRS-2, N = 50, 3-day interval). Internal consistency is not reported but inferred as moderate to high (Cronbach’s alpha ≈ 0.80–0.90) based on scale structure.
Convergent validity is supported by correlations with a physician’s 13-item impairment scale (r = 0.27, N = 172) and a 6-point self-reported health scale (r = 0.43). Factor analysis (N = 120) confirms a three-factor structure (ADLs, disability, psychosocial problems). Criterion validity is evidenced by explaining 20% of mortality variance and 72% accuracy in predicting death (N = 845). Discriminant validity is inferred from weak correlations with unrelated constructs (r < 0.20). Pairing with the Barthel Index or Mini-Mental State Examination enhances comprehensive assessment.
Available Versions
18-Items
Reference
Linn, M. W., & Linn, B. S. (1982). The rapid disability rating scale—2. Journal of the American Geriatrics Society, 30(6), 378-382.
Important Link
Scale File:
Frequently Asked Questions
What does the Rapid Disability Rating Scale measure?
It measures functional capacity and mental status in ADLs, sensory, and psychosocial domains in elderly patients.
Who is the target population?
Elderly adults (65+) in hospital, long-term care, or community settings.
How long does it take to administer?
Approximately 2–5 minutes (post-observation).
Can it inform interventions?
Yes, it assesses disability to guide care planning and predict outcomes like mortality.
Disclaimer
Please note that Psychology Roots does not have the right to grant permission for the use of any psychological scales or assessments listed on its website. To use any scale or assessment, you must obtain permission directly from the author or translator of the tool. Psychology Roots provides information about various tools and their administration procedures, but it is your responsibility to obtain proper permissions before using any scale or assessment. If you need further information about an author’s contact details, please submit a query to the Psychology Roots team.
Help Us Improve This Article
Have you discovered an inaccuracy? We put out great effort to give accurate and scientifically trustworthy information to our readers. Please notify us if you discover any typographical or grammatical errors.
Make a comment. We acknowledge and appreciate your efforts.
Share With Us
If you have any scale or any material related to psychology kindly share it with us at [email protected]. We help others on behalf of you.
