![]() ![]() BACB uses statistical data on how each question performs to evaluate the difficulty of each examination form. Is one examination form easier than another? ![]() Furthermore, multiple forms of the examinations are in use during each testing window and candidates are randomly assigned to these forms. For security reasons, the examination forms are updated on a regular basis. BACB maintains a large pool of questions, which can be used to generate many different forms of each examination. ![]()
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