Founded in 2007 and staffed with recognized experts in their respective areas of work, Vector Psychometric Group (VPG) is a consulting and software company offering a variety of services to assist our clients in developing and using high-quality scales and tests. Within our software services, we maintain and distribute software programs for specialized statistical analyses.
The services VPG offers include:
- Statistical consulting
- Analysis plan development
- Psychometrics
- Behavioral analytics
- 3rd party review/quality control
- Qualitative research
- Specializing in the development of patient-centered measures for health outcomes research
- Education
- Software training sessions
- Training sessions in psychometrics
- Training sessions in behavioral analytics
- Training sessions in qualitative research
- Software
- Item response theory (IRT) software packages (flexMIRT®, IRTPRO™, BiLOG-MG™, PARSCALE™)
- Latent variable modeling software (LISREL™)
- Hierarchical modeling software (HLM™, SuperMIX™)
- Custom statistical software to meet clients’ needs
- Data collection
- Electronic consenting and screening for research studies
- Electronic data collection (including adaptive administration of measures)
For additional information on how VPG can help you achieve your research goals, please see our consulting and/or software pages.