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Related Concept Videos

Case Studies01:22

Case Studies

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There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it.
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Unusual Results01:16

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Unusual results are those that have a very low chance of occurring. Unusual results can be identified using probabilities and the range rule of thumb. In problems involving probability, unusual results can be observed in 2 instances – an unusually high number of successes or an unusually low number of successes.
According to the range rule of thumb, any value above or below two standard deviations, 2σ  from the mean, μ  is considered unusual.
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z Scores and Unusual Values01:07

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The z score is one of the three measures of relative standing. It describes the location of a value in a dataset relative to the mean. z scores are obtained after the standardization of the values in a dataset. The z score for the mean is 0.
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General Case of Eccentric Axial Loading01:12

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Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
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Regression Toward the Mean01:52

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Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
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The case management model is a multidisciplinary approach that involves healthcare professionals from diverse disciplines, such as physicians, nurses, therapists, social workers, and pharmacists, working collaboratively to address the various needs of patients. Each healthcare professional brings unique expertise and perspectives, contributing to a more comprehensive understanding of the patient's condition and tailoring treatment plans accordingly.
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Related Experiment Video

Updated: Mar 17, 2026

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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Commentary on 2 Unusual Cases.

David A Kahn1

  • 1KAHN: Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, NY.

Journal of Psychiatric Practice
|July 19, 2016
PubMed
Summary
This summary is machine-generated.

This study examines two rare clinical cases: feigned suicide and identical triplets with shared psychotic delusions. These unusual cases prompt fundamental questions about psychopathology and its manifestations.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Forensic Psychology

Background:

  • Rare clinical presentations challenge diagnostic certainty.
  • Understanding psychopathology requires examining unusual cases.
  • The interplay of genetics and environment in mental illness is complex.

Purpose of the Study:

  • To discuss two infrequent clinical scenarios.
  • To highlight fundamental questions in psychopathology.
  • To explore parallels in literature and film.

Main Methods:

  • Case study analysis.
  • Comparison of surveillance systems for feigned suicide detection.
  • Examination of shared delusions in monozygotic triplets.

Main Results:

  • Feigned suicide was identified through comparative surveillance.
  • Monozygotic triplets exhibited shared psychotic delusions.
  • Both cases raise critical questions about the etiology and nature of mental disorders.

Conclusions:

  • Unusual cases offer unique insights into psychopathology.
  • The study underscores the need for comprehensive diagnostic approaches.
  • Parallels in arts and literature can illuminate clinical phenomena.