Validity and Stability of the Youth Psychopathic Traits Inventory in a Nonforensic Sample of Young Adults
Why this work is in the frame
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Bibliographic record
Abstract
We assessed the validity and stability of the Swedish developed Youth Psychopathic Traits Inventory (YPI; Andershed, Kerr, Stattin, & Levander, 2002 Andershed, H., Kerr, M. and Stattin, H. 2002. Understanding the abnormal by studying the normal. Acta Psychiatry Scandinavia., 106: 75–80. [Crossref], [Web of Science ®] , [Google Scholar]) in Canadian nonforensic young adults. In Study 1, a total of 217 undergraduates completed the YPI as well as the Psychopathic Personality Inventory–Revised (PPI–R; Lilienfeld & Widows, 2005 Lilienfeld, S. O. and Widows, M. R. 2005. Psychopathic Personality Inventory-Revised, Lutz, FL: Psychological Assessment Resources. [Google Scholar]) and the Levenson Self-Report Psychopathy Scale (LSRP; Levenson, Kiehl, & Fitzpatrick, 1995 Levenson, M. R., Kiehl, K. A. and Fitzpatrick, C. M. 1995. Assessing psychopathic attributes in a noninstitutionalized population. Journal of Personality and Social Psychology., 68: 151–158. [Crossref], [PubMed], [Web of Science ®] , [Google Scholar]). These measures were completed twice, with a mean of 28 days between administrations. Total YPI was strongly correlated with the PPI–R but also with the LSRP subscales. YPI higher order dimensions were meaningfully correlated with PPI–R dimensions of similar content. The YPI yielded fairly high temporal stability and was similar to the PPI–R and LSRP Primary Psychopathy scale. Using 111 undergraduates, in Study 2, we found the YPI was positively associated with antisocial attitudes and impulsivity and negatively associated with agreeableness and conscientiousness. This research extends the validity of the YPI beyond adolescents to Canadian young adults from nonforensic settings. Given its promise as a measure of psychopathic traits in adolescents and young adults, the YPI may prove useful in longitudinal research across these developmental periods.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.004 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it