“…Meanwhile, systematic research on the effect of coaching on the accuracy of symptom validity tests is largely lacking (Blaskewitz & Merten, 2007; Gorny & Merten, 2005; Suhr & Gunstad, 2007). What is known, though, is that when coaching is brief and involves only a superficial introduction to the to‐be‐feigned symptoms, its undermining effects on the ability of symptom validity tests to detect feigning are limited (e.g., Rose, Hall, Szalda‐Petree, & Bach, 1998). On the other hand, one can also find examples in the literature where more extensive forms of coaching did lead to considerable drops in the efficacy of symptom validity tests to detect feigned disorders (e.g., Gunstad & Suhr, 2001).…”