![]() The current National Board of Forensic Evaluators (NBFE) and the Hoffman Institute's examination for NBFE certification measures knowledge representative of 20 forensic domains (constructs). Essentially, the term validity is global in that it is comprised of 3 validity sub-types content validity, concurrent validity, and predictive validity.Īccording to content validity, a test or exam is valid to the extent that it represents all of the content of a particular construct. ![]() Validity refers to the degree to which an exam truly measures what it is intended to measure. These statistical measures and procedures used, and the results, are summarized below. In order to determine the applicability of this exam to serve as a certification tool for forensic experts, rigorous statistical testing for examination validity, item analysis, variability, and cutoff score determination was completed. ![]() The forensic domains that are tested include the following: The National Board of Forensic Evaluators (NBFE) examination for certification consists of 100 multiple choice questions that test the forensic candidates knowledge in 20 forensic domains. Determination of Cutoff Score NBFE Written Examinationīy Ronald W.
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