ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,528, issued on Oct. 20, was assigned to TATA CONSULTANCY SERVICES Ltd. (Mumbai, India).
"Method and system for multi-stage testing (MST) calibration" was invented by Gunter Maris (Brussels), Timo Bechger (Amsterdam), Gaurav Tandon (Lucknow, India) and Viral Prakash Shah (Mumbai, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "MST calibration is required to ensure that all examinees are assessed on a common scale. State of the art approaches have the disadvantages that they become computationally unstable and demanding or may have standard errors of estimated item parameters. Method and system in the embodiments disclosed herein provide a module...