Data Analysis
2 posts tagged with “Data Analysis”
Mouse-tracking in the browser: capturing cursor trajectories in a lab.js study
Mouse-tracking records the path of the cursor while a participant moves toward one of several response options, so that a choice can be studied as it develops. How to record trajectories in a lab.js task with the Mousetrap plugin, what changes when participants use their own devices, and how to read Open Lab's export into the mousetrap R package.
12 October 2026
From collected sessions to analysis: the per-study Data view and the Data Explorer
Open Lab has two analysis surfaces: the per-study Data view, which monitors, decrypts and exports one study, and the Data Explorer, which loads trial events from several studies into a DuckDB database inside your browser. What each can see, why end-to-end encrypted studies are skipped, and why the plan row caps truncate rather than sample.
14 September 2026