Strengths + weaknesses of sample/study so far
+represent those in adulthood = can see if deficit in ToM is present in adults
-autism group is gender bias towards men - 13m, 3f
+excludes members of Cambridge uni - likely have above average IQ = controls for indv diffs = high IV
+Ps matched on age + intelligence = controls for indv diffs affecting ToM e.g. IQ = high IV
sampling methods = random, opportunity, volunteer