Agreement of parent-reported cognitive level with standardized measures among children with autism spectrum disorder.

Researchers looked at whether parents' reports about their autistic child's thinking abilities match up with formal testing. They studied over 1,500 children and found that parents were generally accurate when reporting on their child's cognitive level. This accuracy varied depending on the child's age and abilities. The study suggests that parent reports could be useful when formal testing isn't possible, especially in large research studies.

This study examined whether parent reports of their autistic child's cognitive abilities accurately reflect standardized cognitive assessments. Using data from 1,555 autistic individuals aged 18 months to 18 years from the SPARK cohort, researchers found that parent estimates of cognitive level showed reasonable agreement with formal testing results. The accuracy of parent reports varied based on the child's age, actual cognitive ability, autism traits, and adaptive functioning skills. The findings suggest that asking parents about recent testing results and developmental diagnoses can provide valid information about cognitive ability, offering a practical alternative to expensive formal assessments in large-scale research studies.

Parent reports can serve as a practical screening tool for cognitive assessment when formal testing is unavailable. However, clinicians should consider child characteristics that may affect report accuracy. This approach could reduce assessment burden while maintaining reasonable validity for initial evaluations and research purposes.

The study does not specify the exact level of agreement between parent reports and formal assessments. Factors affecting agreement accuracy are mentioned but not quantified. The methodology for determining agreement is not detailed in the abstract.

Assessing cognitive development is critical in clinical research of autism spectrum disorder (ASD). However, collecting cognitive data from clinically administered assessments can add a significant burden to clinical research in ASD due to the substantial cost and time required, and it is often prohibitive in large-scale studies. There is a need for more efficient, but reliable, methods to estimate cognitive functioning for researchers, clinicians, and families. To examine the degree to which caregiver estimates of cognitive level agree with actual measured intelligence/developmental scores and understand factors that may impact that agreement, 1,555 autistic individuals (81.74% male; age 18 months-18 years) were selected from a large cohort (Simons Foundation Powering Autism Research for Knowledge, SPARK).

Results suggest that querying parents about recent testing results and developmental diagnoses can provide valid and useful information on cognitive ability. The agreement of parental estimates varied with age, measured cognitive ability, autistic traits, and adaptive skills. In the context of large-scale research efforts, parent-reported cognitive impairment may be a good proxy for categorical IQ range for survey-based studies when specific IQ scores are not available, circumventing the logistical and financial obstacles of obtaining neuropsychological or neurodevelopmental testing.