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Product demo example

The Simple Formula for Calculating Knowledge Retention

Using the stated formula, what is the retention ratio?

Press play and use the interactions in this published example.

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How it was built

The viewer's choice controls the route

Mindstamp saves selected route, opens the matching scene, and keeps the response in the session recap.

  • Questions
  • Video branching
  • Viewer variables

What it does

Calculate the defined knowledge-retention ratio for one learner.

This article uses “retention ratio” for learning. The formula here is explicitly defined for this example and is not a universal standard.

Inside the experience

What the viewer does

The video gives each interaction a clear job in the route.

1. Review

Using the stated formula, what is the retention ratio?

Review the situation before the video pauses.

2. Choose

Select an answer

Choose 75%, 18%, or 133%.

3. Follow

See the result

The video opens the matching scene and carries selected route into the recap.

What it reports

Each interaction is measured

Viewer choice
The report stores the answer selected in the decision scene.
Result route
The session shows which result scene opened after the choice.
Selected Route
The recap keeps the saved value with the viewer session.

Build one like it

Start from a video you already have

The interactions were added on top of an existing recording.