Citizen Science Console

Hypothesis Playground: run experiments and test your own ideas.

Build a claim, gather data, and check if the numbers support your hypothesis. This lab gives you hands-on experiments you can run instantly in the browser.

Experiment 01 · Reaction-Time Lab

Hypothesis: "My average reaction time is faster than target threshold."

Ready to begin.

Press "Start Trial", wait for green, then click as fast as you can.

Trials
0
Average
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Best
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Hypothesis
Need 3+ trials

    Experiment 02 · Coin-Bias Simulator

    Hypothesis: "The coin's heads probability equals my target value."

    Waiting for data.

    Set your hypothesis and run the experiment.

    Observed p
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    z-score
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    Standard Error
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    Decision
    Run test

    science-test · designed as a playful browser laboratory