Cultural Adaptation and Validation of Mullen Scales of Early Learning in Taiwanese children with Autism Spectrum Disorder, Global Developmental Delay, and Typically Developing Children

•The Mullen Scales of Early Learning (MSEL) was translated into Mandarin.•Cultural and linguistic adaptations of MSEL-Taiwan version were made to suit Taiwanese population.•The MSEL-Taiwan version has good reliabilities and validities.