Combinatorial Language parent-report Scores Differ Significantly Between Typically Developing Children and Those with Autism Spectrum Disorders.

The team asked parents to fill out a 20-item checklist called the MSEC. It tracks combinatorial language—short word mixes like “more juice” or “go car.”

They compared reports from a large group of children with autism to a smaller group of typically developing peers. Kids were around age two.

MSEC scores were clearly lower for the autism group. The gap was large enough to spot by age two.

Because parents notice early word combos in daily life, the tool gives a quick red flag without a clinic visit.

Root et al. (2017) pooled older studies on the Social Communication Questionnaire. They warn that parent screens lose power under age four. The new MSEC bucks that trend by working at age two.

Du et al. (2026) also chase early language flags, but use automated speech analysis instead of a parent form. Both hit about the same accuracy, giving you two roads: tech audio or paper checklist.

Ma et al. (2025) move detection up to older ages with MRI brain patterns. Their work extends the life span; Matthew et al. lock down the toddler end. Together they cover early to late childhood.

You now have a 20-item parent form that spots combinatorial language delays at age two, before full autism criteria often show. Use it during intake, wait lists, or telehealth when direct testing is tough. If the score is low, move straight to language intervention while the referral process runs.