mpib_sp_eeg/participants.json

{
    "participant_id": {
        "Description": "Unique participant identifier."
    },
    "age": {
        "Description": "The age of the participant.",
        "Units": "years"
    },
    "sex": {
        "Description": "The biological sex of the participant as judged by the experimenter.",
        "Levels": {
            "m": "male",
            "f": "female"
        }
    },
    "handedness": {
        "Description": "The handedness of the participant as reported by the participant",
        "Levels": {
            "l": "left",
            "r": "right"
        }
    },
    "seed": {
        "Description": "The random seed used to initialize the experiment. Participants that share a seed, saw the same underlying distributions per trial."
    },
    "yoked_to": {
        "Description": "The participant_id to which the participant was yoked in the yoked sampling condition. Some participants were yoked to themselves (i.e., they saw a replay of their own active sampling condition)."
    },
    "start_condition": {
        "Description": "The experimental condition with which the participant started the overall experiment. If the experiment was started with the active sampling condition, the yoked sampling condition was done afterwards and vice versa. After the two sampling conditions, the description task and the berlin numeracy task followed (not counterbalanced).",
        "Levels": {
            "active": "active sampling condition",
            "yoked": "yoked sampling condition"
        }
    },
    "stopping": {
        "Description": "The between factor of the experiment. Some participants always had to draw 12 samples ('fixed'), others could draw between 1 and 19 samples ('variable').",
        "Levels": {
            "fixed": "fixed stopping after 12 samples",
            "variable": "variable stopping between 1 and 19 samples"
        }
    }
}