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Tutorials

Classperiment in short videos

Each video answers one question that comes up before, during or after a session. Video 1 shows a whole session from start to finish; the others go deeper into one step each.

Questions about data protection? Video 10 shows where the data goes.

Video 1 · 3:36 min

Running an experiment in a lecture

How does a session run from start to finish?

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A complete session with Stroop: pick a task, put the QR code on the wall, wait until everyone is in, start, reveal the results, then end and save the session.

Video 2 · 2:00 min

Finding the right task

Which task fits my lecture, and what should I set?

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The five areas of the task catalog, the teaching notes for each task, settings and options, and why you should try a task yourself first.

Video 3 · 1:42 min

Rehearsing before your first lecture

How do I test everything without spoiling my live session?

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Create a separate test session, run it once as a student, simulate a class and click through everything once before it counts.

Video 4 · 2:02 min

Projector, lecture-hall PC and backup code

How do I get the QR code onto the wall, and what if the dashboard says “Read-only view”?

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Projector Mode and what it shows when, why only one browser controls the session, how to save the backup code and unlock the session on the lecture-hall PC, and how to find a session again.

Video 5 · 2:13 min

What your students see

What happens on the phone, and what should I tell the class beforehand?

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Joining, consent and optional questions, waiting and starting, practice and task, their own result and the comparison with the class.

Video 6 · 2:39 min

Revealing and discussing results

What does the projector show, what do exclusions mean, and how do I lead the discussion?

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Let the class guess first, the central result, condition means and distribution, diagnostics and exclusions, the statistics and three questions for the discussion.

Video 7 · 2:16 min

When something goes wrong

Too many joins, a frozen dashboard, “This session is unavailable”: what helps?

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What to do when the counter is too high, results look wrong, the dashboard stops responding, a session is unavailable or results come in slowly.

Video 8 · 1:38 min

Several tasks in one lecture

How do I chain tasks without everyone typing in a new code?

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Create a second session and link it as the follow-up, what the phones then show, timing, and how to save both sessions.

Video 9 · 2:12 min

Saving and publishing your data

What is in the CSV, how much time do I have, and what goes into the rankings?

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Download and read the CSV, deadlines, publishing, updating and unpublishing, the global rankings and comparing two courses (COIL).

Video 10 · 2:21 min

Where your data goes

Does trial data ever leave the students’ devices, what reaches the server, and what stays where for how long?

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What is reported along the way, the one message at the end, what stays on the phone, what is on the server and what reaches you, plus three sentences for the lecture hall.

For students

A short clip to show in the lecture hall before the first session: what is about to happen on the phone.

Video 11 · 0:50 min

Here’s what happens next

What is about to happen on my phone, and what do I need to do?

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Joining, consent, waiting and turning the phone, practice and task, your own result.