Leading the science of assessment.
VPG is pleased to announce the immediately availability of flexMIRT® Version 3.62. Version 3.62 fixes a bug with multiple-group IRT modeling, and a labeling issue in output delivery. Importantly, Version 3.62 uses a completely new pseudo random number generator (PRNG), replacing the one that has been in use since flexMIRT 2.0. The new proprietary PRNG is based on the popular Mersenne Twister 19937 generator that substantially outperforms the PRNG used by flexMIRT previously. They will lead to slightly different results … Read More
VPG is pleased to announce that with the acquisition of Scientific Software International, Inc. in early 2020, IRTPRO™ Version 5.0 is being released under a new subscription-based software delivery and support model. A popular IRT software program for both patient-reported outcomes analysis and educational assessment development, this latest upgrade release offers significant new features and improvements. Please visit irtpro.com to find out more about IRTPRO™. Visit our storefront at store.vpgcentral.com to learn more about licensing and to make a purchase.
Vector Software Acquisition, a sole subsidiary of Vector Psychometric Group, acquired Scientific Software International, Inc. expanding Vector’s statistical software offerings. Vector Psychometric Group (VPG), a leading provider of psychometric and data analytic solutions for clinical outcomes, educational, and psychological assessment, has acquired Scientific Software International, Inc. (SSI), a market-leader in statistical software for social, behavioral, and biostatistical sciences. SSI has been developing, publishing, and distributing specialized statistical software products since 1971. SSI has been a driving force behind many widely … Read More
As part of our Patient Focused Drug Development (PFDD) efforts, the U.S. Food and Drug Administration (FDA) developed a pilot grant program to support the development of publicly available core set(s) of Clinical Outcome Assessments (COAs) and their related endpoints for specific disease indications (RFA-FD-19-006). On September 11, 2019 the FDA made three awards under this grant program. These awards will provide avenues to advance the use of patient input as an important part of drug development that can foster innovation and … Read More