It is a permanent subscription rather than a time-limited demo. The Free subscription works with up to 100 items and examinees. The first input file is the student response data, and the second input file is control data, which is basic item metadata like Item ID and correct answer. Iteman takes two input files, analyzes the assessment data, and provides an MS Word report with a detailed psychometric analysis of your test, with statistical indices on option, item, test, and examinee performance. The purpose of these reports is to help testing programs evaluate and improve the quality of test items by examining their psychometric characteristics.
Iteman is designed to provide detailed item and test analysis reports using classical test theory (CTT). What separates it from other software is that it not only calculates all the statistics that are essential to psychometric work, but that it creates a draft report for you in MS Word, complete with embedded tables, graphics, and narratives. Iteman has been one of the world's foremost software programs for psychometric analytics since the 1980's.
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