Applying Dutch and US versions of the BSID‐II in Dutch children born preterm leads to different outcomes

The aim of the present study was to evaluate whether the application of Dutch versus US test procedures and norms of the Bayley Scales of Infant Development ‐ 2nd edition (BSID‐II) leads to different developmental outcomes. The BSID‐II was administered to 376 preterm infants (191 males, 185 females; mean gestational age 30wks [SD 2.7], mean birth‐weight 1242g [SD 385]) at corrected ages of 6, 12, 24, and/or 36 months. Raw scores were calculated twice with US and Dutch test procedures. Raw scores as well as Mental Developmental Index (MDI) and Psychomotor Developmental Index (PDI) scores, calcu... Mehr ...