thank you aeh. I still find that very confusing. My son was given the short version of the SB (i think only 2-3 subtests). This is totally embarrassing to admit but there were some matrix reasoning style questions that started off easy and then become so hard that I myself could not tell if my son was getting them correct, however she kept presenting the questions. He seemed confident and thoughtful with each question, he was considering his response and giving clear answers but I serusly didnt know if he was corrector not.

He is only just 6 years old and has been previously been tested on the WPPSi and WJ and has scored in the 99.9 percentile