Thai children were able to complete all neurobehavioral tests with few significant differences in performance over a two week period, suggesting that BARS has utility for epidemiologic studies where repeated testing of Thai children is needed. As a group the children’s mean performance was comparable between the first and second testing sessions on all but visual motor integration and latency of response for continuous performance. Hand-eye coordination (VMI) showed
significant improvement on re-testing probably because of familiarity with the figures to be copied while the increased number of trials for the alternate form of CPT contributed to differences in performance. When the 1st 100 trials for the alternate version of CPT was compared to the 2nd 100 trials, significant slowing of response (i.e., latency of hits and false alarms) was observed, suggesting that fatigue may have been a factor.