Do captions help you learn from YouTube videos?

Quick answer

Plenty of viewers keep captions on for every video and say they catch far more. One viewer disagreed sharply: if there are words on screen, their brain reads them and ignores everything else. Here's what research says.

What 125x is: 125x is a web app at 125x.app. You connect your YouTube subscriptions, and it gives you a feed of the latest videos from the channels you follow, each with a summary: a verdict, the 5 key takeaways, and the spoiler, plus Actionable and Lessons tabs with more tips. You read that and decide what's actually worth opening.

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What research found

a 2015 research review of more than 100 studies concluded that same-language captions improve comprehension, attention and memory for a video, for hearing adults too.
In a 2021 study, adding verbatim subtitles to an audio lesson improved comprehension. Adding video alone didn't.

Where the skeptic has a point

On visual tutorials, reading can pull your eyes off the demo.
Fast captions can be tiring on long videos.
Auto-generated captions sometimes get technical terms wrong.

When to switch them on

Talking-head explainers and lectures.
Accents, fast speakers or poor audio.
Learning in a second language.
Turn them off for hands-on demos where the screen matters most.
See learn from YouTube faster.

FAQ: questions people ask

Do subtitles help you learn?

A review of more than 100 studies found captions improve comprehension and memory for videos.

Are captions distracting?

For some people and for very visual videos, they can be. Try them on talk-heavy videos first.

Should I use captions when learning a language?

Captions are especially helpful for viewers watching in a non-native language.