Raw data of individuals with Down Syndrome or Williams syndrome in the Weather Prediction Task

Raw data of 38 individuals with Williams Syndrome and 17 individuals with Down syndrome in the Weather Prediction Task with 100 training trials with associative outcome probabilities of 0.20, 0.40, 0.60, 0.80 and 4 test trials. Why do individuals with Williams syndrome or Down syndrome fail the Weather Prediction Task? Developmental Psychobiology https://doi.org/10.1002/dev.22503