Self Determination Inventory (SDI)

The SDI is a set of measures to assess a student's self determination. It includes questions about choice making, goal setting, and decision making. The Inventory includes a self-report measure for people aged 13-22 with or without disabilities, as well as a parent or teacher report for an outside perspective. These two assessments can be combined for a full view of a student's self-determination. The assessment uses a continuous scale between "Agree" and "Disagree" on their online platform.  For a non-visual option, those using a screen reader can use higher numbers to show higher agreement. There are 17 questions in the measure. 

Content

Domains
Self Management
Subdomain

Decision Making, Goal Setting

Grades
8th Grade,
9th Grade,
10th Grade,
11th Grade,
12th Grade,
Post secondary
Languages
English,
Spanish
Other Language/s
American Sign Language
Respondent
Student,
Teacher,
Parent

Administration Information

Length
17 items
Qualifications

None

Administration
Computer
Timed
No

Access and Use

Price

Free

Contact

Kansas University Center of Developmental Disabilities

selfdetermination@ku.edu

785-864-7600

Open Access
Yes
Use in Research

Shogren, K. A., Shaw, L. A., Raley, S. K., & Wehmeyer, M. L. (2018). Exploring the effect of disability, race-ethnicity, and socioeconomic status on scores on the Self-Determination Inventory: Student Report. Exceptional Children, 85(1), 10-27.  https://doi.org/10.1177/0014402918782150

Shogren, K. A., Shaw, L. A., Raley, S. K., & Wehmeyer, M. L. (2018). The impact of personal characteristics on scores on the Self‐Determination Inventory: Student Report in adolescents with and without disabilities. Psychology in the Schools, 55(9), 1013-1026. https://doi.org/10.1002/pits.22174

Shogren, K. A., Anderson, M. H., Raley, S. K., & Hagiwara, M. (2020). Exploring the relationship between student and teacher/proxy-respondent scores on the Self-Determination Inventory. Exceptionality, 1-14. https://doi.org/10.1080/09362835.2020.1729764

Psychometrics

Scoring
Computer scoring
Psychometric References

Shogren, K. A., Wehmeyer, M. L., Little, T. D., Forber-Pratt, A. J., Palmer, S. B., & Seo, H. (2017). Preliminary validity and reliability of scores on the Self-Determination Inventory: Student Report version. Career Development and Transition for Exceptional Individuals, 40(2), 92-103. https://doi.org/10.1177/2165143415594335

Shogren, K. A., Little, T. D., Grandfield, E., Raley, S., Wehmeyer, M. L., Lang, K. M., & Shaw, L. A. (2020). The Self-Determination Inventory–Student Report: Confirming the factor structure of a new measure. Assessment for Effective Intervention, 45(2), 110-120.  https://doi.org/10.1177/1534508418788168    

Shogren, K. A., Shaw, L. A., & Mumbardó-Adam, C. (2019). The Assessment of Self-Determination in Spanish and American Adolescents: The Self-Determination Inventory: Student Report. Intellectual and Developmental Disabilities, 57(4), 274-288. https://doi.org/10.1352/1934-9556-57.4.274         

Mumbardó-Adam, C., Guàrdia-Olmos, J., Giné, C., Shogren, K. A., & Vicente Sánchez, E. (2018). Psychometric properties of the Spanish version of the Self-Determination Inventory Student Self-Report: A structural equation modeling approach. American Journal on Intellectual and Developmental Disabilities, 123(6), 545-557. https://doi.org/10.1352/1944-7558-123.6.545

National Comparison
No
Item Type
Likert