 As would be expected from an adaptive behavior measure (i.e., ABAS-II) that was developed independently of the Bayley-III, the floor for the Adaptive Behavior scale extends downward to a composite score of 40 (extending upwards to a score of 160), whereas the remaining Bayley-III floor composite scores are relatively higher (Cognitive, 55-145; Language, 47-153; Motor, 46-154; Social-Emotional, 55-145).One area that was not improved, however, are the subtest floor scores for the youngest children in the sample (i.e., those aged 16 to 25 days).Likewise, when a 2011 study was conducted comparing the relationship between test scores using the second and third editions of the Bayley Scales in extremely preterm children, it was concluded that interpreting these scores should be done with caution as the correlation with the previous edition appears worse at lower test score values.