The effects of tact training on the emergence of categorization and listener behavior in children with autism.

Two preschoolers with autism learned to name categories like “animal” and “vehicle.”

Trainers first taught each child to tact (label) pictures with the category word. Then they tested if the kids could sort new pictures into piles and pick items when told “give me the animal.”

The team used a multiple-baseline design across children to show the training caused the change.

Both kids quickly learned the category tacts. Right after that, they could sort unseen pictures into correct groups and hand over items on verbal request.

One child needed one extra prompt to start sorting, then he did it alone. No extra drills were given for matching or listening.

Hilton et al. (2010) warned that play-based screens can miss kids with higher IQ. The current study shows that once you teach clear verbal categories, even lower-verbal kids with autism can show hidden conceptual skills.

Logos et al. (2025) and Barrett et al. (2015) describe how autistic people struggle when others don’t understand their communication style. Teaching them precise tacts gives them a tool to be understood, closing part of that gap.

Together the papers say: autistic learners may look less capable on broad screens or in stressful places, but focused verbal teaching can unlock untested abilities.

You can add five-minute tact lessons on categories during natural play or snack time. After the child names the group, immediately offer new items to sort or give. You may see emergent language and listening gains without extra programs.