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<p>This study provides proof-of-concept for the solution to the <i>invalid before clinically elevated</i> paradox introduced by Schneider et al. (2026). As they predicted, non-credible responding was a significant confound for self-reported depression and anxiety. Identifying and removing invalid response sets from normative samples seems necessary to establish valid clinical cutoffs for determining the presence/absence and severity rating of psychiatric symptoms. Results suggest that the <i>invalid before impaired/clinically elevated</i> paradox may be (at least partly) an artifact of contaminated norms (i.e., failure to exclude non-credible response sets). Data were analyzed from 73 university students who volunteered for academic research and passed a free-standing symptom validity test (SVT). Participants were administered the PHQ-9, GAD-7 and the V-8, a visual analog scale of Depression and Anxiety. The classification accuracy of the V-8 was calculated using the PHQ-9 and GAD-7 as criterion measures. A V-8 Depression score ≥ 40 was specific (0.90 − 1.00) to severe depression. If this cutoff is used to redefine <i>clinical elevation</i>, it opens up a wide range of credible and clinically significant depression (40–69) before the SVT cutoff (≥ 70) deems the response set invalid. A V-8 Anxiety score ≥ 60 at Time 1 had comparable specificity (0.85-0.96), allowing for a range of credible and clinically significant anxiety (60–79) before crossing the SVT cutoff (≥ 80) invalidates the response set. At Time 2, the clinical cutoff had to be lowered to ≥ 50 (0.86-0.96 specificity) to make room for credible and clinically significant anxiety (50–64) before the SVT cutoff (≥ 65) is activated. This study provides proof-of-concept for the solution to the <i>invalid before clinically elevated</i> paradox introduced by Schneider et al. (2026). As they predicted, non-credible responding was a significant confound for self-reported depression and anxiety. Identifying and removing invalid response sets from normative samples seems necessary to establish valid clinical cutoffs for determining the presence/absence and severity rating of psychiatric symptoms. Results suggest that the <i>invalid before impaired/clinically elevated</i> paradox may be (at least partly) an artifact of contaminated norms (i.e., failure to exclude non-credible response sets).</p>

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Unburdened by What Has Been: A Methodological Template for Managing the Invalid before Clinically Elevated Paradox

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月27日

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  • Chantal Boucher,
  • Sarah J Schneider,
  • Esteban Puente-Lopez,
  • Christina Sirianni,
  • Laura Cutler,
  • Klara Csaszar,
  • Laszlo A. Erdodi

摘要

This study provides proof-of-concept for the solution to the invalid before clinically elevated paradox introduced by Schneider et al. (2026). As they predicted, non-credible responding was a significant confound for self-reported depression and anxiety. Identifying and removing invalid response sets from normative samples seems necessary to establish valid clinical cutoffs for determining the presence/absence and severity rating of psychiatric symptoms. Results suggest that the invalid before impaired/clinically elevated paradox may be (at least partly) an artifact of contaminated norms (i.e., failure to exclude non-credible response sets). Data were analyzed from 73 university students who volunteered for academic research and passed a free-standing symptom validity test (SVT). Participants were administered the PHQ-9, GAD-7 and the V-8, a visual analog scale of Depression and Anxiety. The classification accuracy of the V-8 was calculated using the PHQ-9 and GAD-7 as criterion measures. A V-8 Depression score ≥ 40 was specific (0.90 − 1.00) to severe depression. If this cutoff is used to redefine clinical elevation, it opens up a wide range of credible and clinically significant depression (40–69) before the SVT cutoff (≥ 70) deems the response set invalid. A V-8 Anxiety score ≥ 60 at Time 1 had comparable specificity (0.85-0.96), allowing for a range of credible and clinically significant anxiety (60–79) before crossing the SVT cutoff (≥ 80) invalidates the response set. At Time 2, the clinical cutoff had to be lowered to ≥ 50 (0.86-0.96 specificity) to make room for credible and clinically significant anxiety (50–64) before the SVT cutoff (≥ 65) is activated. This study provides proof-of-concept for the solution to the invalid before clinically elevated paradox introduced by Schneider et al. (2026). As they predicted, non-credible responding was a significant confound for self-reported depression and anxiety. Identifying and removing invalid response sets from normative samples seems necessary to establish valid clinical cutoffs for determining the presence/absence and severity rating of psychiatric symptoms. Results suggest that the invalid before impaired/clinically elevated paradox may be (at least partly) an artifact of contaminated norms (i.e., failure to exclude non-credible response sets).