The rule is not about minutes but about company: if it is on, someone is watching it with them, talking about it, pausing it. This is the position with the best empirical support in the whole instrument — joint media engagement is where the language-learning findings come from — and also the most expensive in adult time, which is why few households run it past the toddler years.
What it asks of you
- Your actual presence, which is the entire method and cannot be delegated to the screen
- Giving up the thing screens are most often used for — a gap in which to do something else
- Watching a great deal of children's television