The Center’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. Services may include creating preparation materials. The Center’s services apply rules for controlling sampling, content, construct, and administrative errors essential for valid data.
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The Center’s Psychometric Services include the statistical analysis of data derived from: 1) surveys, interviews, and focus groups, 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, and the like).
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The Center’s Editorial Services include the drafting, revising, and editing of test items, scoring devices (checklists and rubrics), instructions (applications, test taking, appeals), and governance and ethics documents (policies, operating procedures, by-laws, charters). The Center follows the practices proposed by the Plain Language and Global English Standards (clear and concise).
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The Center's Research Services include designing and conducting studies to identify trends and make recommendations. Our methods include literature searches, surveys, interviews, observations, and the facilitation of discussion groups and strategic planning sessions. The data derived are analyzed and the resulting

information is used for presentations and publication. Learn more.