Multi-informant evaluation in autism spectrum disorder: a review study.

In order to establish a diagnosis of autism spectrum disorder (ASD), assessment by different informants is required. Sometimes, however, there are certain discrepancies between evaluators. With the aim of shedding light on possible discrepancies between informants, this work includes an updated review of the literature to examine the degree of agreement between different informants regarding the characteristic symptomatology of ASD in children and adolescents (up to 17 years of age). A total of 20 studies were analyzed, in which the levels of correlation between the evaluations carried out by different informants were moderate or low. A large part of the studies included in this review foun…