Comparison of blinded Local and Global scores obtained from two independent raters of the visuoconstructive drawing task.

All comparisons signaled in red are significant and related to lower global and local scores.Mann-Whitney U tests; **pWS = Williams Syndrome group; ASD_ID = Autism Spectrum Disorders group with intellectual disability; ASD_noID = Autism Spectrum Disorders group without intellectual disability; C_TD = typically developing control group; C_ID = control group with intellectual disability.