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Cronbach’s Alpha Values by Measurement.a
| Measurement | Cronbach’s Alpha | Average Cronbach’s Alpha |
|---|---|---|
| Disc anterior-posterior | .851 | .672 |
| Disc midwidth | .381 | |
| Canal anterior-posterior | .659 | |
| Canal midwidth | .798 | |
| Disc area | .707 | .785 |
| Canal area | .863 |
a Linear measurements on average have a lower reliability than multipoint measurements using AGFA-IMPACS.
