Τρίτη 16 Φεβρουαρίου 2016

Spinal Cord Injury – Quality of Life Resilience

Acronym:

SCI-QOL Resilience

Purpose:

Assess attributes of resilience in individuals with spinal cord injury.

Description:

The SCI-QOL Resilience measure is an item response theory (IRT)-calibrated item bank with 21 items that is available for administration as a computer adaptive test (CAT; range 4-12 items) or short form (SF).

Area of Assessment: Mental Health, Positive Affect, Self-Efficacy, Stress and Coping
Body Part: Not Applicable
ICF Domain: Body Function
Domain: Emotion
Assessment Type: Patient Reported Outcomes
Length of Test: 05 Minutes or Less
Time to Administer:

5 minutes

Number of Items: There are 21 items in the entire item bank. The short form has 8 items. The CAT can present 4-12 items, depending on the user's time vs. accuracy preferences.
Equipment Required: The Short Form requires only the printed form and a pencil. A CAT administration requires a desktop, laptop, or tablet computer with internet connection and login to AssessmentCenter.net. Access to the short form, and administration of CATs through Assessment Center, is available through SCI-QOL@udel.edu.
Training Required: Yes. SCI-QOL Resilience article (Victorson et al 2015) and, if administering CATs, Assessment Center User Manual.
Type of training required: Reading an Article/Manual
Cost: Free
Actual Cost:
Free
Age Range: Adult: 18-64 years, Elderly adult: 65+
Administration Mode: Computer
Diagnosis: Spinal Cord Injury
Populations Tested: Spinal Cord Injury
Standard Error of Measurement (SEM):

Depends on the mode of administration.

  • The mean SE of the full item bank was 0.31 (range = 0.27-0.51).
  • The mean SE of an 8-item fixed-length CAT was 0.28 (range = 0.21-0.52).
  • The mean SE of a variable-length CAT (min = 4, max = 12 items) was 0.27 (range = 0.21 – 0.51). (Victorson et al., 2015)
Minimal Detectable Change (MDC):

Calculated from SEM

  • The MDC of the full item bank is 0.72.
  • The MDC of an 8-item fixed-length CAT is 0.65.
  • The MDC of a variable-length CAT is 0.63
Minimally Clinically Important Difference (MCID):

Not Established

Cut-Off Scores:

Not Established

Normative Data:

Traumatic spinal cord injury

. The normative data are calibrated on adults with traumatic spinal cord injury so the mean score (T = 50) indicates a score that is normal for an adult with a traumatic SCI. Deviations from the mean indicate deviations from what is normal for an individual with a traumatic SCI. For example, a respondent with a score of T=60 reported more attributes of resilience than +1 standard deviation (84%) of individuals with traumatic SCI.
Test-retest Reliability:

Traumatic SCI

(Victorson et al., 2015; n=717, mean age = 43.0(15.3); time post injury = 7.1 years (10.0); 45% paraplegia, 55% tetraplegia)

Excellent

test-retest reliability (ICC = .79)
Interrater/Intrarater Reliability:
N/A
Internal Consistency:

Traumatic SCI

(Victorson et al., 2015)

Excellent

internal consistency (Chronbach's alpha = .95)
Criterion Validity (Predictive/Concurrent):

Not Established

Construct Validity (Convergent/Discriminant):

Traumatic SCI

(in preparation)

The SCI-QOL Resilience item bank demonstrated good convergent validity by correlating strongly with measures of depression (PHQ-9 r = .-.57), satisfaction with life (Satisfaction with Life Scale r = .69), and positive affect (SCI-QOL Positive Affect r = .75). The SCI-QOL Resilience item bank demonstrated good discriminant validity by weakly correlating with measures of fine motor functioning (SCI-QOL Fine Motor r = .16),
Content Validity:

Items were derived from focus groups and interviews with individuals with traumatic SCI (n=65) and clinicians who specialize in SCI (n=42)

Face Validity:

Not formally established, but content was generated from individuals with SCI and expert clinicians, so face validity is strong.

Floor/Ceiling Effects:

Excellent: minimal floor or ceiling effects. 0.14% of participants in the validation sample (Victorson et al., 2015) who completed the full item bank scored at floor; 5.6% scored at ceiling.

Responsiveness:

Not Established

Considerations:
N/A
Bibliography:

Victorson et al. (2015). Measuring resilience after spinal cord injury: Development and psychometric characteristics of the SCI-QOL Resilience item bank and short form. Journal of Spinal Cord Medicine, 38(3), 366-376.

Year published: 2015
Instrument in PDF Format: Yes


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