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Table 5 Mean and SD values obtained for the apparent prevalence and the true prevalence for the examinations between 2009 and 2011

From: Item pre-knowledge true prevalence in clinical anatomy - application of gated item response theory model

YearPeriodAPaTPb
Mean (SD)Mean (SD)
200912.2 (0.2)1.5 (1.3)
200920.0 (0.0)1.2 (1.2)
201012.5 (0.2)1.6 (1.4)
201023.3 (0.5)2.6 (2.2)
201113.4 (0.2)1.8 (1.5)
201122.1 (0.0)3.7 (3.4)
  1. aAP % of students considered cheater (above cut-off point)
  2. bTP True prevalence