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Table 3 Test-retest reliability of rankings and time trade-off values

From: Reconsidering the use of rankings in the valuation of health states: a model for estimating cardinal values from ordinal data

  Intraclass correlation coefficient*
Response type Median Mean Standard deviation
Ordinal ranks 0.93 0.90 0.11
Time trade-off 0.79 0.74 0.19
Implied ranks from time trade-off 0.84 0.78 0.17
  1. *Intraclass correlation coefficients between test and retest responses were computed at the individual level for 211 respondents.