planned process assay Assay the wavelength of light emitted by excited Neon atoms. Count of geese flying over a house. any method study assay 12/3/12: BP: the reference to the 'physical examination' is included to point out that a prediction is not an assay, as that does not require physical examiniation. A planned process with the objective to produce information about the material entity that is the evaluant, by physically examining it or its proxies. OBI branch derived PlanAndPlannedProcess Branch assay measuring scientific observation planning