The Arc’s Self-Determination Scale, Adult Version (ASDS)

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Overview

Purpose
Measure individual strengths and areas of support need in self-determination
Respondent
Person with a Disability
Administration Method
Survey
Administration Mode
In-person
Developer
Michael Wehmeyer and Kathy Kelchner at The Arc of the United States
0
Population
Intellectual and Developmental Disability

Instrument Citation(s)

Wehmeyer, M., & Bolding, N. (2013). The Arc’s Self-Determination Scale – Adult Version.
http://www.beachcenter.org/sites/default/files/inline-files/Adult%20Version%20of%20The%20Arc's%20Self-Determination%20Scale.pdf PDF

Psychometric Citation

  • Wehmeyer, M., Palmer, S., Shogren, K., & Seong, Y. (2014). The Arc’s Self-Determination Scale - Adult Version: Procedural Guidelines. https://files.eric.ed.gov/fulltext/ED441322.pdf PDF

    Type of Publication
    Technical report
    Instrument Language
    English
    Sample: Age (Mean and Range)

    Mean=36.34 Years

    Sample: Age Group

    Under 18 Years; 18-64 Years

    Sample: Countries/State

    United States

    Sample: Disability Type

    Intellectual and Developmental Disability

    Sample: Gender (%male)

    45%

    Sample: Race/Ethnicity (%)

    Caucasian 81% , African-American 9%, Native American 5%, Hispanic 2.5%, and Asian-American 2%

    Sample: Sampling Strategy

    Convenience Sample

    Sample: Size

    408

    Reliability: Internal Consistency

    Cronbach’s Alpha for the overall survey (ɑ= 0.82)

    Study design
    Cross-sectional