OPM psychologists are available to design and conduct personnel and HR research studies for agencies using the latest statistical tools and techniques. In addition, OPM psychologists can assist agencies in evaluating and validating commercially available tools for agency use. They can provide measurement expertise and experience to guide agencies in the selection of valid, fair, and practical assessment tools. OPM psychologists also can provide a wide range of consulting services as needed to evaluate and ensure adherence to legal guidelines and professional standards surrounding the use of assessments.