Hale's credentialing services include the design, conduct, and evaluation of processes used to identify and measure the skills and knowledge of targeted groups. Services encompass developing a business case, conducting a job task analysis, setting eligibility and maintenance requirements, codifying the body of knowledge, describing the domains and their supporting performances, setting standards, creating and validating assessments, and evaluating the effectiveness of a credential. It may include creating preparation materials. Hale's services apply rules for controlling sampling, content, construct, and administrative errors essential for valid data. Psychometric services include the statistical analysis of data derived from: 1) surveys, interviews, and focus groups done with subject matter experts and stakeholders, and 2) test results. Statistical treatments, formulae, are applied to the data to: 1) weight domains for test blueprints; 2) set standards and pass scores; and 3) measure the validity of test and assessment results, the difficulty of test items, and the reliability of test forms and methods (inter-rater, test-retest, parallel forms, internal consistency). Organizations hire Judy to provide expert advice, design certifications, partner with staff on evaluation and assessment projects, audit programs, and develop protocols and guidelines to help managers operate more consistently and efficiently.
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