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A single trial typically requires at least four people:
| 1. | Receiver | — | A person who will register their impressions of the target. |
| 2. | Monitor | — | An individual who, while blind to the target, will assist the Receiver to respond. |
| 3. | Assistant | — | The person who will randomly select a target. |
| 4. | Analyst | — | A person who will conduct the assessment of the trial data while remaining unaware of the experimental details. |
Suppose a trial begins at 10:00 hours.
10:00 — A monitor and a receiver are sequestered in the
laboratory.
10:05 — An assistant randomly selects one target from a
set of pre-defined targets.
10:10 — Session begins.
At this point,both the monitor and receiver are completely "blind" to the target choice; thus the monitor is free to encourage the receiver to draw and write his/hers impressions of the selected target.
10:25 — Data collection ends.
The data are secured, and the assistant is asked to provide the target as feedback.
10:30 — The session ends after a complete de-brief of the experience and a comparison of the data with the selected target.
Subsequently the data are assessed by an analyst who is blind to all experimental details.
We emphasize that this in not a complete description of a protocol but merely an outline of the way in which data are collected and analyzed.
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