For reliability assessment, in contrast to the conventional Cronbach's alpha (which tends to underestimate the reliability of the total score), we calculated model based coefficients omegas[ 25].
Therefore, the reliabilities reported in this study might underestimate the reliability for a random group of bulls, especially for strongly selected traits.
However Cronbach's alpha coefficient will underestimate the reliability of SF-36 because this scale has eight domains which showed somewhat heterogeneity [ 27, 28].
Because the EDY-Q is based on three different presentations of ARFID and is therefore heterogeneous, Cronbach's α will likely underestimate the reliability of the test [ 38, 39].
According to Gherunpong et al. [ 59], alpha is not a perfect indicator of reliability, as it tends to underestimate the reliability of multidimensional scales and because lower values can be expected from health-related measures.
This may have to do with high between-subject homogeneity of displacement values for these two muscles in a healthy population, which might lead to underestimate the reliability of the measure if using ICCs only.
The Cronbach's Alpha level reached (0.65) was below the recommended level of 0.70 [ 21]; however, as cited by Gherunpong et al. [ 20], alpha is not a perfect indicator of reliability as it tends to underestimate the reliability of multidimensional scales, and lower values can be expected from health-related measures.
Furthermore, if the underlying construct includes correlated measurement errors, α can underestimate or overestimate the reliability construct depending on the parameters of the measures (e.g., Brown 2015; Raykov 2001; Peterson and Kim 2013; Bentler 2009; Green and Yang 2009; Raykov 2001; Yang and Green 2011).
This may have underestimated the cost of treatment and affected the reliability of the baseline estimates of health outcomes for this group (approximately 1.5% of women being modelled).
These data suggest that the reliability of TGx technology is currently underestimated or incorrectly communicated at higher levels within organizational structure.
