Instrument Databases The Test Collection at ETS A database of information on more than 25,000 standardized tests and research instruments, produced from the early 1900s to the present. Domain/Instrument Overview RTCOM (Rehabilitation Research and Training Center on HCBS Outcome measurement) By University of Minnesota Instrument Databases DIRUM Measurement Instruments for the Social Sciences BMC : Part of Springer Nature The Measurement Instrument Databases Repository for instrument that are used to collect data from across the social sciences. National Institutes of Health: Research Instruments By NIH Library Instrument Database Support for Training and ResearchRRISIQ Network ThaiEdResearch ฐานข้อมูลงานวิจัยทางการศึกษา (Educational Research Database)