SIMT: system, intervention, meter, time
What it producesalso: S-I-M-T · S · I · M · T · lab specification · simt · thresholdThe four parameters that fully specify an experiment: what it runs in, what is done to it, what is measured and how, and over what time.
The clear version renders them as six blocks: what it runs in, what is done to it, what is measured and how, what the numbers have to show, what a positive result would change, and what a null result would mean. A meter is the measurement; requirement atoms speak of meter classes and whether a meter exists, partially exists or is missing as of 2026.