Development of a Test and Establishment of a Cut Score for the National FireAcademy Chemistry of Hazardous Materials Course

摘要

The development of a valid and reliable test instrument, to be used as the finalexam in the NFA Chemistry of Hazardous Materials course, significantly enhances the educational quality of the course. The results of the study justify the following conclusions based on the test development procedures, validity and reliability procedures, the procedure used to select the cut score, and the procedures used to develop and evaluate the test technical manual: The test development procedures were based on correct educational methodology; The test has satisfactory content validity both item and sampling; The test has satisfactory domain validity; The performance standard is based on the optimal cut score; The test has satisfactory decision validity; The test has satisfactory threshold loss function reliability; The test has satisfactory internal consistency reliability; The test items are effective; and The technical manual for the test is clear, accurate, and complete.