Should you turn on subtitles when your kids are watching TV? A new eye-tracking study shows it might help — but only if they’re old enough to read what’s on screen.
📌 TL;DR
- Subtitles can help improve reading skills — but mostly for somewhat experienced readers (age 8 and up)
- Unexperienced readers (under age 7) often don’t read subtitles at all, even when they’re on screen
- Simply making information visible (like showing text) isn’t enough to change behavior
- Effective interventions must be tailored to people’s skill level — whether that’s a child learning to read or an adult filing tax returns
It seems like a no-brainer: turn on subtitles for kids and turn passive screen time into reading time.
That’s the idea behind Turn on the subtitles — a campaign backed by researchers and tech companies encouraging parents and streaming platforms to add subtitles to children’s videos. The theory? If kids see written words while watching familiar shows, they’ll start to recognize them — building vocabulary and reading fluency with zero extra effort.
But a new study asks a crucial question: do kids actually look at the subtitles?
What did the study test?
In a large eye-tracking experiment, researchers showed videos with same-language subtitles to 180 children aged 5 to 11. These kids were grouped according to school year — from grade 1 (kindergarten; age 5) to grade 6 (age 10). While they watched, the researchers tracked where their eyes moved: to the subtitles, or to the visuals?
The goal was to understand when children start attending to written words on screen — and whether subtitles are really seen and processed at different ages.
What happens when you show subtitles to your kids?
The results were pretty straightforward: the better children’s reading abilities, the more time they focused on the subtitles. More specifically:
- Kindergarten-aged children (5-6 years old) ignored nearly 60% of subtitle text
- Older children were more likely to read entire sentences rather than just isolated words
- This effect was stronger for better readers
The findings suggest that subtitle exposure won’t help very young children who are not (yet) able to read automatically. Simply seeing text doesn’t guarantee reading engagement.
Turning on subtitles only helps skilled readers
Just because information is visible doesn’t mean it’s received.
This study is a perfect example of what we explored in “Stop Throwing Information at People”: Interventions only work if people can process and act on the information.
It’s easy to assume that adding information — like subtitles, instructions, or help buttons — is enough. But it’s not. If people don’t have the cognitive skills, motivation, or context to engage, nothing happens.
Yes, young kids may not yet know how to read — so it’s no surprise they ignore subtitles. But similar blind spots show up in adult-facing interventions, too. Think of applying for public benefits or doing taxes. If the system is too complex or the wording too dense, people tune out — no matter how well-intentioned your message is.
So, should you turn them on?
Yes — especially for kids aged 8 and up. At that point, they’re more likely to read along and benefit. But don’t expect miracles in kindergarten. Reading takes more than visibility. It takes readiness.
Reference
Lopukhina et al., (2025). Where do children look when watching videos with same-language subtitles? Psychological Science, 36 (4) . https://journals.sagepub.com/doi/10.1177/09567976251325789
