Schizoid personality disorder.

@article{Triebwasser2012SchizoidPD,
  title={Schizoid personality disorder.},
  author={Joseph Triebwasser and Eran Chemerinski and Panos Roussos and Larry J. Siever},
  journal={Journal of personality disorders},
  year={2012},
  volume={26 6},
  pages={
          919-26
        }
}
Schizoid personality disorder (ScPD) is one of the "odd cluster" or "cluster A" personality disorders in DSM-IV. In the present article, the authors review information pertaining to the psychometric characteristics of ScPD as gleaned from a search of relevant publications as well as from databases of personality disorder study groups. Comparatively little evidence exists for the validity and reliability of ScPD as a separate, multifaceted personality disorder. Some authors, moreover, have… 
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Schizoid personality disorder (ScPD) is a rare mental disorder, the field is young, and related research is not welldeveloped. This review used a systematic search on Google Scholar about researches
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Assessment of Pathological Traits in DSM-5 Personality Disorders By the DAPP-BQ: How Do These Traits Relate to the Six Personality Disorder Types of the Alternative Model?
TLDR
Examination of continuity between the DSM-IV/DSM-5 section II PDs and the corresponding trait profiles of the six DSM-5section III PDs in a sample of 350 Dutch psychiatric patients found that DAPP-BQ proxies were able to predict the six selected PDs, however, the assigned trait profile for each PD didn't fully match the corresponding PD.
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