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Psychometric Summary


The psychometric information below is based on an assessment of the original version of the TEA, which asked patients to rate their self-perceived change in four domains between measurement points. We do not have similar psychometric data for the current version of the TEA, which asks patients to rate their status at the time of administration rather than change relative to previous TEA administrations.

The TEA in its original form measures change in four single-item domains (substance use, health, lifestyle, and community involvement) from treatment initiation across the duration of a treatment program. Self-reported responses range from 1 ("none or not much") to 10 ("much better") with items summed to a total score ranging from 4 to 40. It has high internal consistency (Chronbach's alpha = .90), with moderate test-retest reliability (intraclass coefficient = .69), and minimal importance differences (MIDs) range from 5 to 8 (Ling et al., 2019). 

Reference: 

Ling, W., Nadipelli, V. R., Solem, C.T., Farabee, D., Ronquest, N.A., Perrochet, B., Learned, S.M., Desphande, C.G. and Heidbreder, C.,2019. Measuring Recovery in opiod use disorder: clincal utility and psychometric properties of the Treatment Effectiveness Assessment. Substance Abuse and Rehabilitation, 20, p.13.
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  • The TEA
  • About The TEA
    • Psychometric Summary
  • TEA User Guide
  • TEA Publications
  • Contact
    • Registry of TEA Users