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If you asked to save the experiment results (via the save_results parameter in the “general” worksheet), when the experiment ends the participant will be prompted to download a CSV file containing the experiment results. This CSV file will contain one line for each trial step that required making a response. It will have the following columns:
- config_trial_number: the line number of that trial in the “trials” worksheet in the Excel file.
- trial_index: the step number using jspsych’s internal numbering.
- rt: the reaction time, in seconds.
- time_elapsed: the time elapsed from time=0 until the step started. The time point defined as time=0 depends on your experiment configuration: if you asked to play a beep when the session starts (parameter start_of_session_beep in the “general” worksheet set to “Y”), time=0 is the end of the beep. You can use it to synchronize the reaction times versus your audio or video recording. If you did not ask to beep, time=0 is roughly the time when the participant opened the experiment web page.
- Stimuli: each layout element used in the trial will be added as a column (essentially, the same columns as defined in the “trials” worksheet).
- Any “save:” column from the “trials” worksheet.