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Variable Rewards

What is The Shorts Slot Machine?

In short-form video feeds, you cannot see what the next swipe will bring. That unpredictability, more than the videos themselves, is what makes the format hard to put down.

Where it comes from

TikTok, then Reels & Shorts (2020)

How it hooks you

Exploits variable rewards at high frequency: every few seconds brings a new unpredictable outcome, with almost no effort per swipe.

What the research shows

US teens average 87–113 minutes of short-form video watch time per day, the highest of any content format.

Source: TikTok internal documents unsealed in Kentucky AG lawsuit, NPR (2024)

How to resist it

Decide how many videos you will watch before opening the app, and turn off autoplaying short-feeds where possible.

Where you’ll run into it

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