The Maxi and Sall-Anne story are quite long for a 3 year old to retain fully, so it might just be 4 year olds are better at retaining the story with better mastery of language
Studies have shown giving ASD children visual aids to remember the false belief tasks can help them succeed
Rager and Flusberg suggests that recebt research has questioned the assumption that TOM problems are closely related to ASS and whether ever single person on the spectrum has TOM issues
Timing differed in the sequence of development by as much as 2 years when Liu compared over 300 Chinese and American children in terms of TOM
Astington disagrees with TOM being an innate ability which matured with age taking a more vygotskian approach