Fig. 4

Associations between certainty and IQ and internalizing, externalizing, and adaptive behaviours. Boxplots showing the distributions of verbal IQ, nonverbal IQ, verbal/nonverbal IQ ratio, internalizing behaviour, externalizing behaviour, Vineland total score, and the scores for the three Vineland subscales of communication, socialization, and daily living skills. The orange boxes indicate those diagnosed with the highest certainty (15) whereas the blue boxes indicate those diagnosed with a lower certainty (< 15). Asterisks indicate statistically significant differences between those who were diagnosed with the highest certainty and those who were not