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Due to an administrative error, 73 individuals were wrongfully assigned to the Simulation Group. Correction of this error consequently reduced its sample size from to individuals.
The corrected demographic data of the Simulation Group see amended Table 1 differed from those of the other experimental groups as described in the original publication. Correcting the Simulation Group further required the revision of Tables 2 , 5 , 6 , 8 , 9 , 10 , With the exception of the following findings, the pattern of results remained unchanged.
The validity indicators under study showed overall higher sensitivity rates and larger effect sizes than previously reported. As was previously the case, the largest effect could be observed on the Supposed Symptoms subscale, followed by Exaggerated Symptoms, Selectivity, and lastly Symptom Combinations see amended Appendix 3.
Additionally, changes in classification accuracy were noted for two DSM scales see amended Table 6. These changes did not affect the conclusions drawn from the results.
