{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,31]],"date-time":"2026-10-31T01:54:07Z","timestamp":1793411647366,"version":"4.5.0"},"reference-count":37,"publisher":"Cambridge University Press (CUP)","issue":"3","license":[{"start":{"date-parts":[[2010,5,19]],"date-time":"2010-05-19T00:00:00Z","timestamp":1274227200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Psychol. Med."],"published-print":{"date-parts":[[2011,3]]},"abstract":"<jats:sec id=\"S0033291710000991_sec_001\">\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Autism spectrum disorder (ASD) was once considered to be highly associated with intellectual disability and to show a characteristic IQ profile, with strengths in performance over verbal abilities and a distinctive pattern of \u2018peaks\u2019 and \u2018troughs\u2019 at the subtest level. However, there are few data from epidemiological studies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0033291710000991_sec_a002\">\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      Comprehensive clinical assessments were conducted with 156 children aged 10\u201314 years [mean (\n                      <jats:sc>s.d<\/jats:sc>\n                      .)=11.7 (0.9)], seen as part of an epidemiological study (81 childhood autism, 75 other ASD). A sample weighting procedure enabled us to estimate characteristics of the total ASD population.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0033291710000991_sec_a003\" sec-type=\"results\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of the 75 children with ASD, 55% had an intellectual disability (IQ&lt;70) but only 16% had moderate to severe intellectual disability (IQ&lt;50); 28% had average intelligence (115&gt;IQ&gt;85) but only 3% were of above average intelligence (IQ&gt;115). There was some evidence for a clinically significant Performance\/Verbal IQ (PIQ\/VIQ) discrepancy but discrepant verbal\n                      <jats:italic>versus<\/jats:italic>\n                      performance skills were not associated with a particular pattern of symptoms, as has been reported previously. There was mixed evidence of a characteristic subtest profile: whereas some previously reported patterns were supported (e.g. poor Comprehension), others were not (e.g. no \u2018peak\u2019 in Block Design). Adaptive skills were significantly lower than IQ and were associated with severity of early social impairment and also IQ.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S0033291710000991_sec_a004\" sec-type=\"conclusion\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In this epidemiological sample, ASD was less strongly associated with intellectual disability than traditionally held and there was only limited evidence of a distinctive IQ profile. Adaptive outcome was significantly impaired even for those children of average intelligence.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1017\/s0033291710000991","type":"journal-article","created":{"date-parts":[[2010,5,19]],"date-time":"2010-05-19T07:19:03Z","timestamp":1274253543000},"page":"619-627","source":"Crossref","is-referenced-by-count":502,"title":["IQ in children with autism spectrum disorders: data from the Special Needs and Autism Project 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